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JP4145458B2 - Oily cosmetics - Google Patents
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JP4145458B2 - Oily cosmetics - Google Patents

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JP4145458B2
JP4145458B2 JP2000044211A JP2000044211A JP4145458B2 JP 4145458 B2 JP4145458 B2 JP 4145458B2 JP 2000044211 A JP2000044211 A JP 2000044211A JP 2000044211 A JP2000044211 A JP 2000044211A JP 4145458 B2 JP4145458 B2 JP 4145458B2
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extract
agar
pigment
mass
polybutene
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JP2001233735A (en
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章裕 黒田
裕一郎 江川
宏充 佐野
靖宏 鴫原
佑 下山
昇正 佐藤
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株式会社カネボウ化粧品
株式会社コスメテクノ
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Description

【0001】
【発明の属する技術分野】
本発明は、天然由来の親水性高分子である寒天にて被覆処理した顔料と、ポリブテンを配合することで、寒天処理顔料の吸水性と粘着性を適度にコントロールし、化粧持ちとうるおい感の持続性に優れた油性化粧料に関する。
【0002】
【従来の技術】
従来、特開平5−178723号公報、特開平7−17828号公報、特開平6−56625号公報などに見られるように、製剤中に寒天を配合すること、そして無機顔料と寒天を併用して製品に配合することは公知である。
しかしながら、寒天を顔料の被覆剤として利用すること、そして寒天を被覆した顔料とポリブテンを配合することにより得られる特性については知られていなかった。
【0003】
【発明が解決しようとする課題】
一方、口紅、ファンデーション、アイシャドウ等の油性化粧料として、種々の組成物が提案されているが、油特有のべとつき感等があるとともに、化粧持ちと肌や唇等のうるおいの持続を両立させたものは少なかった。
すなわち、本発明の目的は、化粧持ちと肌や唇等のうるおいを持続させることができ、感触の優れた油性化粧料を提供することにある。
【0004】
【課題を解決するための手段】
本発明人らは、寒天被覆処理顔料を開発し、その化粧品への特性について鋭意検討した結果、寒天処理顔料が皮膚や吐息中などの水分を徐々に吸いながら粘着性を発現するメカニズムで化粧持続性が向上することを見出した。しかし、寒天処理顔料のみの技術では、吐息のような高湿度下では急激に粘性が上昇してよれが発生したりすることがあったため、吸湿・放湿のコントロールをする機能を有し、かつ寒天処理顔料との相性が優れる成分について見当を行ったところ、ポリブテンと組み合わせることでこれらの問題が解決できることを見出し、本発明を完成した。
【0005】
すなわち、本発明は、寒天を顔料100質量部に対して1〜15質量部被覆した寒天被覆処理顔料と、ポリブテン及び/又はその水素添加物を油性化粧料の総量に対して5〜40質量%の範囲で含有することを特徴とする油性化粧料にある。
【0006】
第2の本発明は、 ポリブテン、その水素添加物が、イソブテンとn−ブテンを共重合して得られ、常温で液体〜ペーストの形状を持つことを特徴とする上記の油性化粧料にある。
【0007】
第3の本発明は、ポリブテン、その水素添加物の平均分子量が500〜2700であることを特徴とする上記の油性化粧料にある。
【0008】
第4の本発明は、ポリブテン、その水素添加物の平均分子量が800〜1200であることを特徴とする上記の油性化粧料にある。
【0010】
【発明の実施の形態】
本発明で用いる寒天は、テングサ、オゴノリ等の海藻(紅藻類)から得ることができる。寒天は、原料の海藻を洗浄した後、(熱水)抽出、ろ過、凝固、脱水、乾燥、粉砕、均質化といった工程を経て製造される。本発明で用いる寒天のゼリー強度としては、250〜400g/cm2の自然寒天や、同250g/cm2未満の低強度寒天、また、同400g/cm2以上の粉末寒天やフレーク寒天等を用いることができる。ゼリー強度とは、日本寒天水産組合が採用し、日本農林規格(寒天の日本農林規格;昭和28年農林省告示882号)にも採用されたものであり、寒天の1.5質量%の溶液を作り、20℃で15時間放置凝固せしめたゲルについて、日寒水式ゼリー強度測定器にて、その表面1cm2当たり20秒間耐えうる最大荷重(g)を測定しゼリー強度とするものである。
【0011】
本発明で用いる寒天の顔料への被覆処理方法としては、例えば次の方法がある。まず一度寒天を(精製)水に加熱溶解してから使用する。加熱溶解の方法としては、熱水を用いる方法、電子レンジ等を用いる方法が挙げられる。加熱温度としては、60℃以上が好ましく、さらに好ましくは80℃以上である。また、この際に圧力をかけることは寒天のゲルがより簡単に均一に広がるため好ましい。こうして得られた寒天の溶液は、顔料と混合された後、凍結乾燥、スプレードライ、加熱乾燥、加熱減圧乾燥等の方法により水分が除去され、場合により粉砕や滅菌措置が行われて目的とする寒天被覆処理顔料が得られる。上記乾燥方法としては、特にスプレードライや加熱乾燥法が好ましい。加熱乾燥する際は、送風により、80℃以下、好ましくは65℃以下で乾燥させると寒天の変質が起こりにくいので好ましい。
【0012】
本発明で用いる寒天の顔料に対する被覆量としては、顔料100質量部に対して、寒天が1〜15質量部が好ましく、さらに好ましくは3〜10質量部である。この範囲では、寒天の機能と製品の感触が両立可能である。
【0013】
また、寒天で被覆される顔料の例としては、赤色104号アルミニウムレーキ、赤色102号アルミニウムレーキ、赤色226号、赤色201号、赤色202号、青色1号アルミニウムレーキ、黄色4号アルミニウムレーキ、黄色5号アルミニウムレーキ、黄色203号バリウムレーキ等の色素およびレーキ色素、ナイロンパウダー、シルクパウダー、ポリウレタンパウダー、テフロン(商標)パウダー、シリコーンパウダー、ポリメタクリル酸メチルパウダー、セルロースパウダー、シリコーンエラストマー球状粉体、ポリエチレン末等の高分子、黄酸化鉄、ベンガラ、黒酸化鉄、酸化クロム、カーボンブラック、群青、紺青等の有色顔料、酸化亜鉛、酸化チタン、酸化セリウム等の白色顔料、タルク、マイカ、セリサイト、カオリン、板状硫酸バリウム等の体質顔料、雲母チタン等のパール顔料、硫酸バリウム、炭酸カルシウム、炭酸マグネシウム、珪酸アルミニウム、珪酸マグネシウム等の金属塩、シリカ、球状シリカ、アルミナ等の無機粉体、ベントナイト、スメクタイト、窒化ホウ素、微粒子酸化チタン、微粒子酸化亜鉛等が挙げられる。これらの粉体の形状(球状、棒状、針状、板状、不定形状、燐片状、紡錘状など)に特に制限はない。粉体の大きさとしては、5nm〜100μmの範囲に入るものが好ましく、さらに好ましくは10nm〜25μmの範囲に入るものが好ましい。
【0014】
顔料は単独で被覆しても、顔料の混合物を被覆しても構わない。また、顔料は事前に無機酸化物処理、アミノ酸処理、金属石鹸処理、シリコーン処理、フッ素化合物処理、アパタイト処理、樹脂処理、ポリアクリル酸処理、プラズマ処理、メカノケミカル処理など従来公知の各種の処理がされていてもいなくても構わない。撥水化顔料を用いる場合には、加熱した寒天溶液を用い、熱の効果で顔料表面を濡らしながら混合処理を行うことが好ましい。
【0015】
また、本発明で用いる寒天被覆処理顔料では、寒天と共に、後記の各種の生理活性成分や粘剤、油剤などの成分を併用して顔料の被覆処理をすることが可能である。但し、60℃未満の温度で短時間に変質してしまう成分は、処理工程で成分が劣化する可能性が高いため配合は好ましくない。これらの成分を配合して処理する際は、顔料100質量部に対して、0.001〜15質量部にて配合し処理することが好ましい。
【0016】
本発明の油性化粧料では、上記の寒天被覆処理顔料を油性化粧料の総量に対して、好ましくは0.5〜60質量%、より好ましくは1〜25質量%配合することが好ましい。この範囲であれば、寒天の効果による化粧持ち、うるおいの持続効果が得られやすい。
【0017】
本発明の油性化粧料では、上記の寒天処理顔料と共に、ポリブテン、その水素添加物を配合する。本発明で用いるポリブテン、その水素添加物はイソブテンとn−ブテンを共重合して得られるものが好ましく、さらに常温で液体〜ペーストの形状を持つものが好ましい。このようなポリブテン、その水素添加物としては、平均分子量が500〜2700の範囲に入るものが好ましく、さらに好ましくは800〜1200の範囲に入るものが好ましい。平均分子量が500未満であると高温の安定性に問題が生じ、また2700を超えるとべたつきが激しくなり感触的に好ましくない。本発明で用いるポリブテンは、安定性を向上させる目的で水素添加処理したものが好ましく、例えば重質流動イソパラフィンであり、また精製処理が行われていても構わない。
【0018】
本発明の油性化粧料におけるポリブテン及び/又はその水素添加物の配合量としては、油性化粧料の総量に対して、5〜40質量%が好ましい。5質量%未満では寒天処理顔料の機能がうまくコントロールできず、また40質量%を超えるとべたつきが増加して感触が悪くなる問題がある。
【0019】
本発明の油性化粧料には、上記の各成分以外に、通常化粧料に用いられる油剤、生理活性成分、粉体(顔料、色素、樹脂)、フッ素化合物、樹脂、界面活性剤、粘剤、防腐剤、香料、紫外線防御剤(有機系紫外線吸収剤、寒天被覆処理していない無機系紫外線散乱剤を含む。UV−A、Bのいずれに対応していても構わない)、保湿剤、塩類、溶媒、酸化防止剤、キレート剤、中和剤、pH調整剤、昆虫忌避剤等の成分を使用することができる。
【0020】
油剤としては、ポリブテンまたはその水素添加物以外の油剤であり、り通常化粧料に用いられる揮発性および不揮発性の油剤および溶剤および樹脂が挙げられ、常温で液体、ペースト、固体であっても構わない。油剤の例としては、例えばセチルアルコール、イソステアリルアルコール、ラウリルアルコール、ヘキサデシルアルコール、オクチルドデカノール等の高級アルコール、イソステアリン酸、ウンデシレン酸、オレイン酸等の脂肪酸、グリセリン、ソルビトール、エチレングリコール、プロピレングリコール、ポリエチレングリコール、ラフィノース等の多価アルコール、ミリスチン酸ミリスチル、ラウリン酸ヘキシル、オレイン酸デシル、ミリスチン酸イソプロピル、ジメチルオクタン酸ヘキシルデシル、モノステアリン酸グリセリン、フタル酸ジエチル、モノステアリン酸エチレングリコール、オキシステアリン酸オクチル等のエステル類、流動パラフィン、ワセリン、スクワラン等の炭化水素、ラノリン、還元ラノリン、カルナバロウ等のロウ、ミンク油、カカオ脂、ヤシ油、パーム核油、ツバキ油、ゴマ油、ヒマシ油、オリーブ油等の油脂、エチレン・α−オレフィン・コオリゴマー等が挙げられる。
【0021】
また、別の形態の油剤の例としては、例えばジメチルポリシロキサン、メチルハイドロジェンポリシロキサン、メチルフェニルポリシロキサン、ポリエーテル変性オルガノポリシロキサン、フルオロアルキル・ポリオキシアルキレン共変性オルガノポリシロキサン、アルキル変性オルガノポリシロキサン、末端変性オルガノポリシロキサン、フッ素変性オルガノポリシロキサン、アモジメチコーン、アミノ変性オルガノポリシロキサン、シリコーンゲル、アクリルシリコーン、トリメチルシロキシケイ酸、シリコーンRTVゴム等のシリコーン化合物、パーフルオロポリエーテル、フッ化ピッチ、フルオロカーボン、フルオロアルコール等のフッ素化合物が挙げられる。
【0022】
粉体の例としては、前記の顔料とその表面処理物が挙げられる。これらの粉末の内、シリコーンエラストマー球状粉体、ポリエチレン末、ポリプロピレン末、テフロン(商標)末、シリコーンゴム、ポリウレタンパウダー、球状ポリメチルシルセスキオキサン、球状シリカ等のエラストマーや球状粉末を用いると感触が向上することから好ましい。
【0023】
粘剤、樹脂の例としては、ポリアクリル酸ナトリウム、セルロースエーテル、アルギン酸カルシウム、カルボキシビニルポリマー、エチレン/アクリル酸共重合体、ビニルピロリドン系ポリマー、ビニルアルコール/ビニルピロリドン共重合体、窒素置換アクリルアミド系ポリマー、ポリアクリルアミド、カチオン化ガーガム等のカチオン系ポリマー、ジメチルアクリルアンモニウム系ポリマー、アクリル酸メタクリル酸アクリル共重合体、POE/POP共重合体、ポリビニルアルコール、プルラン、ゼラチン、タマリンド種子多糖類、キサンタンガム、カラギーナン、ハイメトキシルペクチン、ローメトキシルペクチン、ガーガム、アラビアゴム、結晶セルロース、アラビノガラクタン、カラヤガム、トラガカントガム、アルギン酸、アルブミン、カゼイン、カードラン、ジェランガム、デキストラン、セルロース、ポリエチレンイミン、高重合ポリエチレングリコール、カチオン化シリコーン重合体、合成ラテックス等が挙げられる。
【0024】
生理活性成分とは、皮膚に塗布した場合に皮膚に何らかの生理活性を与える物質が挙げられる。例えば、美白成分、抗炎症剤、老化防止剤、スリミング剤、ひきしめ剤、抗酸化剤、保湿剤、血行促進剤、抗菌剤、殺菌剤、乾燥剤、冷感剤、温感剤、ビタミン類、アミノ酸、創傷治癒促進剤、刺激緩和剤、鎮痛剤、細胞賦活剤、酵素成分等が挙げられる。その中でも、天然系の植物抽出成分、海藻抽出成分、生薬成分が特に好ましい。本発明では、これらの生理活性成分を1種または2種以上配合することが好ましい。
【0025】
これらの天然系成分の例としては、例えばアシタバエキス、アボガドエキス、アマチャエキス、アルテアエキス、アルニカエキス、アロエエキス、アンズエキス、アンズ核エキス、イチョウエキス、ウイキョウエキス、ウコンエキス、ウーロン茶エキス、エイジツエキス、エチナシ葉エキス、オウゴンエキス、オウバクエキス、オウレンエキス、オオムギエキス、オトギリソウエキス、オドリコソウエキス、オランダカラシエキス、オレンジエキス、海水乾燥物、海藻エキス、加水分解エラスチン、加水分解コムギ末、加水分解シルク、カモミラエキス、カロットエキス、カワラヨモギエキス、甘草エキス、カルカデエキス、カキョクエキス、キウイエキス、キナエキス、キューカンバーエキス、グアノシン、クチナシエキス、クマザサエキス、クララエキス、クルミエキス、グレープフルーツエキス、クレマティスエキス、クロレラエキス、クワエキス、ゲンチアナエキス、紅茶エキス、酵母エキス、ゴボウエキス、コメヌカ発酵エキス、コメ胚芽油、コンフリーエキス、コラーゲン、コケモモエキス、サイシンエキス、サイコエキス、サイタイ抽出液、サルビアエキス、サボンソウエキス、ササエキス、サンザシエキス、サンショウエキス、シイタケエキス、ジオウエキス、シコンエキス、シソエキス、シナノキエキス、シモツケソウエキス、シャクヤクエキス、ショウブ根エキス、シラカバエキス、スギナエキス、セイヨウキズタエキス、セイヨウサンザシエキス、セイヨウニワトコエキス、セイヨウノコギリソウエキス、セイヨウハッカエキス、セージエキス、ゼニアオイエキス、センキュウエキス、センブリエキス、ダイズエキス、タイソウエキス、タイムエキス、茶エキス、チョウジエキス、チガヤエキス、チンピエキス、トウキエキス、トウキンセンカエキス、トウニンエキス、トウヒエキス、ドクダミエキス、トマトエキス、納豆エキス、ニンジンエキス、ニンニクエキス、ノバラエキス、ハイビスカスエキス、バクモンドウエキス、パセリエキス、蜂蜜、ハマメリスエキス、パリエタリアエキス、ヒキオコシエキス、ビサボロール、ビワエキス、フキタンポポエキス、フキノトウエキス、ブクリョウエキス、ブッチャーブルームエキス、ブドウエキス、プロポリス、ヘチマエキス、ベニバナエキス、ペパーミントエキス、ボダイジュエキス、ボタンエキス、ホップエキス、マツエキス、マロニエエキス、ミズバショウエキス、ムクロジエキス、メリッサエキス、モモエキス、ヤグルマギクエキス、ユーカリエキス、ユキノシタエキス、ユズエキス、ヨクイニンエキス、ヨモギエキス、ラベンダーエキス、リンゴエキス、レタスエキス、レモンエキス、レンゲソウエキス、ローズエキス、ローズマリーエキス、ローマカミツレエキス、ローヤルゼリーエキス等を挙げることができる。
【0026】
本発明の油性化粧料としては、例えば口紅、リップクリーム、ファンデーション、アイシャドウ、アイライナー、アイブロー等のメイクアップ化粧料、ポマード、チック等の頭髪化粧料等が挙げられる。油性化粧料の剤型としては、液状、ペースト状、ジェル状、固形状等が挙げられる。本発明では、非水系の油性化粧料の場合、特に非水系のメイクアップ化粧料の場合、本発明の効果が顕著に得られるので好ましい。
【0027】
【実施例】
以下、実施例および比較例によって本発明を詳細に説明する。
また、実施例および比較例で得られた油性化粧料の各種特性に対する評価方法を以下に示す。
【0028】
[皮膚有用性評価]
専門パネラーを各評価品目ごとに20名ずつ用意し(但し、品目によりパネラーが重複する場合もある)、各評価項目において優れていると判断したパネラーの数から、下記に示す分類によって評価を行った。
【0029】

Figure 0004145458
【0030】
寒天被覆顔料の製造実施例1
球状シリカ処理酸化チタン(平均一次粒子径0.3μm)95質量部とゼリー強度が500g/cm2である寒天5質量部と精製水900質量部からなるスラリーを、温度85℃にて作成した。ついで、スプレードライヤーにて、このスラリーを噴霧乾燥し、平均二次粒子径9μmの寒天処理酸化チタンを得た。
【0031】
寒天被覆顔料の製造実施例2
雲母チタン(平均一次粒子径13μm)93質量部とゼリー強度が400g/cm2である寒天7質量部と精製水800質量部からなるスラリーを、温度85℃にて作成した。ついで、スプレードライヤーにて、このスラリーを噴霧乾燥し、平均二次粒子径16μmの寒天処理雲母チタンを得た。
【0032】
寒天被覆顔料の製造実施例3
赤色201号97質量部と精製水60質量部のスラリーを作成した。一方、ゼリー強度が200g/cm2である寒天3質量部を精製水70質量部に80℃にて溶解し、これに前記スラリーを加えて加温下に激しく混合し、最後にスクワラン0.3質量部を加えてさらに混合した。得られた混合物をステンレスバットに移した後、送風気流乾燥機(乾燥温度60℃)にて乾燥した。得られた粉体をアトマイザーにて粉砕し、寒天処理赤色201号を得た。
【0033】
寒天被覆顔料の製造実施例4
赤色202号97質量部と精製水120質量部のスラリーを作成した。一方、ゼリー強度が400g/cm2である寒天3質量部を精製水70質量部に80℃にて溶解し、これに前記スラリーを加えて加温下に激しく混合し、最後にスクワラン0.5質量部を加えてさらに混合した。得られた混合物をステンレスバットに移した後、送風気流乾燥機(乾燥温度60℃)にて乾燥した。得られた粉体をアトマイザーにて粉砕し、寒天処理赤色202号を得た。
【0034】
寒天被覆顔料の製造実施例5
製造実施例4の赤色201号の代わりに黄色4号アルミニウムレーキを用いた他は全て製造実施例4と同様にして寒天処理黄色4号アルミニウムレーキを得た。
【0035】
実施例1〜4、比較例1〜4(口紅)
表1の処方と下記製造方法に従い、口紅を作製した。
但し、寒天処理顔料としては前記製造実施例1〜5で製造したものを用いた。シリコーン処理顔料としては、前記製造実施例で用いたものと同一の顔料をジメチルポリシロキサンにて寒天処理顔料と同じ被覆量で被覆した顔料を用いた。未処理顔料としては、前記製造実施例で用いたものと同一の顔料を用いた。
また、ポリブテンとしては、平均分子量が約1000の常温液状のポリブテンおよび平均分子量が約1000の水素添加ポリブテンを使用した。
【0036】
【表1】
Figure 0004145458
【0037】
(製造方法)
油剤成分を90℃にて溶解後、顔料成分等を投入混合し、ローラーを用いてさらに混合・粉砕を行った後、再溶解、脱気を行い、金型に充填し、冷却後とり出して容器に設置し製品を得た。
【0038】
表1の結果から、本発明の各実施例は各比較例と比べて化粧持ちが持続し、かつうるおい感が持続していることが判る。これは寒天の水を含んだ時の密着性と、製剤中で寒天処理顔料を覆っているポリブテンとの相性が適していることから相乗効果が発現していることが予想される。
【0039】
【発明の効果】
以上のことから、本発明は、天然由来の親水性高分子である寒天にて被覆処理した顔料と、ポリブテン、その水素添加物を配合することで、寒天処理顔料の吸水性と粘着性を適度にコントロールし、化粧持ちとうるおい感の持続性に優れた油性化粧料が得られることは明らかである。[0001]
BACKGROUND OF THE INVENTION
The present invention blends a pigment coated with agar, which is a naturally derived hydrophilic polymer, and polybutene, thereby appropriately controlling the water absorption and tackiness of the agar-treated pigment, and having a cosmetic and moisture feeling. The present invention relates to a long-lasting oily cosmetic.
[0002]
[Prior art]
Conventionally, as seen in JP-A-5-178723, JP-A-7-17828, JP-A-6-56625, etc., agar is blended in the preparation, and an inorganic pigment and agar are used in combination. It is known to be incorporated into products.
However, the properties obtained by using agar as a pigment coating agent and blending the pigment coated with agar and polybutene have not been known.
[0003]
[Problems to be solved by the invention]
On the other hand, various compositions have been proposed as oily cosmetics for lipsticks, foundations, eye shadows, etc., but there is a sticky feeling peculiar to oils, and it keeps both the makeup and the moisture of the skin and lips etc. There were few things.
That is, an object of the present invention is to provide an oily cosmetic material that can maintain the makeup and moisture of the skin, lips and the like and has an excellent feel.
[0004]
[Means for Solving the Problems]
The present inventors have developed an agar-coated pigment, and as a result of intensive investigations into its cosmetic properties, the agar-treated pigment has a mechanism for expressing its stickiness while gradually absorbing moisture such as in the skin and breathing. It was found that the performance is improved. However, the technology using only agar-treated pigments has a function of controlling moisture absorption and desorption because the viscosity suddenly increases and kinks may occur under high humidity such as sighs. As a result of registering a component having excellent compatibility with the agar-treated pigment, it was found that these problems can be solved by combining with a polybutene, and the present invention was completed.
[0005]
That is, the present invention provides 5 to 40% by mass of the agar-coated pigment obtained by coating 1 to 15 parts by mass of agar with 100 parts by mass of the pigment, and polybutene and / or a hydrogenated product thereof based on the total amount of the oily cosmetic. The oily cosmetic is characterized by containing in a range of .
[0006]
The second aspect of the present invention is the above oily cosmetic, wherein the polybutene and its hydrogenated product are obtained by copolymerizing isobutene and n-butene and have a liquid to paste shape at room temperature.
[0007]
3rd this invention exists in said oily cosmetics characterized by the average molecular weights of polybutene and its hydrogenated product being 500-2700.
[0008]
4th this invention exists in said oily cosmetics characterized by the average molecular weights of polybutene and its hydrogenated product being 800-1200.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The agar used in the present invention can be obtained from seaweeds (red seaweeds) such as primroses and lobsters. Agar is produced through the steps of (hot water) extraction, filtration, coagulation, dehydration, drying, pulverization and homogenization after washing the raw seaweed. The jelly strength of the agar used in the present invention, the or natural agar 250~400g / cm 2, low-strength agar is less than the 250 g / cm 2, also use the 400 g / cm 2 or more agar powder and flake agar be able to. Jelly strength is adopted by the Japan Agar Fisheries Association and adopted by the Japanese Agricultural and Forestry Standard (Japanese Agricultural Standard for Agar; 1882 Ministry of Agriculture and Forestry Notification No. 882), and a 1.5% by mass solution of agar is used. The gel that has been made and allowed to solidify for 15 hours at 20 ° C. is measured with a Nissho water type jelly strength measuring device to measure the maximum load (g) that can be sustained for 20 seconds per 1 cm 2 of the surface to obtain the jelly strength.
[0011]
Examples of the method for coating agar pigment used in the present invention include the following methods. First, agar is first heated and dissolved in (purified) water before use. Examples of the heating and dissolving method include a method using hot water and a method using a microwave oven. As heating temperature, 60 degreeC or more is preferable, More preferably, it is 80 degreeC or more. In addition, it is preferable to apply pressure at this time because the agar gel spreads more easily and uniformly. After the agar solution thus obtained is mixed with the pigment, the water is removed by a method such as freeze drying, spray drying, heat drying, heat drying under reduced pressure, etc. An agar-coated pigment is obtained. As the drying method, spray drying or heat drying is particularly preferable. When drying by heating, it is preferable to dry at 80 ° C. or less, preferably 65 ° C. or less by blowing air, since the agar is unlikely to deteriorate.
[0012]
As a coating amount with respect to the pigment of the agar used by this invention, 1-15 mass parts is preferable with respect to 100 mass parts of pigments, More preferably, it is 3-10 mass parts. In this range, the function of agar and the feel of the product can be compatible.
[0013]
Examples of pigments coated with agar include red No. 104 aluminum lake, red No. 102 aluminum lake, red No. 226, red No. 201, red No. 202, blue No. 1 aluminum lake, yellow No. 4 aluminum lake, yellow No. 5 aluminum lake, yellow 203 barium lake and other pigments and lake pigments, nylon powder, silk powder, polyurethane powder, Teflon (trademark) powder, silicone powder, polymethyl methacrylate powder, cellulose powder, silicone elastomer spherical powder, Polymers such as polyethylene powder, yellow iron oxide, bengara, black iron oxide, chromium oxide, carbon black, colored pigments such as ultramarine and bitumen, white pigments such as zinc oxide, titanium oxide and cerium oxide, talc, mica and sericite , Kaolin, board Body pigments such as barium sulfate, pearl pigments such as titanium mica, metal salts such as barium sulfate, calcium carbonate, magnesium carbonate, aluminum silicate, magnesium silicate, inorganic powders such as silica, spherical silica, alumina, bentonite, smectite, nitriding Examples thereof include boron, fine particle titanium oxide, and fine particle zinc oxide. There are no particular restrictions on the shape of these powders (spherical, rod-like, needle-like, plate-like, indeterminate, flake-like, spindle-like, etc.). The size of the powder is preferably in the range of 5 nm to 100 μm, more preferably in the range of 10 nm to 25 μm.
[0014]
The pigment may be coated alone or a mixture of pigments. In addition, the pigment is subjected to various known treatments such as inorganic oxide treatment, amino acid treatment, metal soap treatment, silicone treatment, fluorine compound treatment, apatite treatment, resin treatment, polyacrylic acid treatment, plasma treatment, mechanochemical treatment in advance. It does not matter if it is done or not. When using a water-repellent pigment, it is preferable to use a heated agar solution and perform the mixing treatment while wetting the pigment surface by the effect of heat.
[0015]
In addition, the agar-coated pigment used in the present invention can be coated with various components such as various physiologically active components, stickers, and oils described later together with agar. However, a component that deteriorates in a short time at a temperature of less than 60 ° C. is not preferable since it is highly likely that the component is deteriorated in the treatment process. When mixing and processing these components, it is preferable to mix and process at 0.001 to 15 parts by mass with respect to 100 parts by mass of the pigment.
[0016]
In the oily cosmetic of the present invention, the agar-coated pigment is preferably added in an amount of 0.5 to 60% by mass, more preferably 1 to 25% by mass, based on the total amount of the oily cosmetic. Within this range, it is easy to obtain a long-lasting, moisturizing effect due to the effect of agar.
[0017]
In the oily cosmetic of the present invention, polybutene and a hydrogenated product thereof are blended together with the agar-treated pigment. The polybutene used in the present invention and its hydrogenated product are preferably those obtained by copolymerizing isobutene and n-butene, and more preferably those having a liquid to paste shape at room temperature. Such polybutene and its hydrogenated product preferably have an average molecular weight in the range of 500 to 2700, more preferably in the range of 800 to 1200. If the average molecular weight is less than 500, there is a problem in stability at high temperatures. The polybutene used in the present invention is preferably hydrogenated for the purpose of improving stability, and is, for example, heavy liquid isoparaffin, and may be subjected to purification treatment.
[0018]
The blending amount of the polybutene and / or the hydrogenated product thereof in the oily cosmetic of the present invention is preferably 5 to 40% by mass with respect to the total amount of the oily cosmetic. If the amount is less than 5% by mass, the function of the agar-treated pigment cannot be controlled well, and if it exceeds 40% by mass, the stickiness increases and the feel becomes worse.
[0019]
In addition to the above-mentioned components, the oily cosmetics of the present invention include oils, physiologically active ingredients, powders (pigments, pigments, resins), fluorine compounds, resins, surfactants, stickers, Preservatives, fragrances, UV protection agents (including organic UV absorbers, inorganic UV scattering agents not subjected to agar coating treatment, may be compatible with either UV-A or B), humectants, salts Ingredients such as a solvent, an antioxidant, a chelating agent, a neutralizing agent, a pH adjusting agent, and an insect repellent can be used.
[0020]
The oil agent is an oil agent other than polybutene or its hydrogenated product, and examples thereof include volatile and non-volatile oil agents and solvents and resins usually used in cosmetics, and may be liquid, paste, or solid at room temperature. Absent. Examples of oils include higher alcohols such as cetyl alcohol, isostearyl alcohol, lauryl alcohol, hexadecyl alcohol, octyldodecanol, fatty acids such as isostearic acid, undecylenic acid, oleic acid, glycerin, sorbitol, ethylene glycol, propylene glycol Polyhydric alcohols such as polyethylene glycol and raffinose, myristyl myristate, hexyl laurate, decyl oleate, isopropyl myristate, hexyl decyl dimethyloctanoate, glyceryl monostearate, diethyl phthalate, ethylene glycol monostearate, oxystearate Esters such as octyl acid, hydrocarbons such as liquid paraffin, petrolatum, squalane, lanolin, reduced lanolin, carnauba wax, etc. Wax, mink oil, cacao butter, coconut oil, palm kernel oil, camellia oil, sesame oil, castor oil, oils such as olive, ethylene-alpha-olefin co-oligomer, and the like.
[0021]
Examples of other forms of oil include dimethylpolysiloxane, methylhydrogenpolysiloxane, methylphenylpolysiloxane, polyether-modified organopolysiloxane, fluoroalkyl / polyoxyalkylene co-modified organopolysiloxane, and alkyl-modified organo. Polysiloxane, terminal-modified organopolysiloxane, fluorine-modified organopolysiloxane, amodimethicone, amino-modified organopolysiloxane, silicone gel, acrylic silicone, trimethylsiloxysilicic acid, silicone RTV rubber and other silicone compounds, perfluoropolyether, fluorinated pitch , Fluorine compounds such as fluorocarbon and fluoroalcohol.
[0022]
Examples of the powder include the above-described pigment and its surface-treated product. Among these powders, silicone elastomer spherical powder, polyethylene powder, polypropylene powder, Teflon (trademark) powder, silicone rubber, polyurethane powder, spherical polymethylsilsesquioxane, spherical silica and other elastomers and spherical powder are used. Is preferable because of improvement.
[0023]
Examples of adhesives and resins include sodium polyacrylate, cellulose ether, calcium alginate, carboxyvinyl polymer, ethylene / acrylic acid copolymer, vinyl pyrrolidone polymer, vinyl alcohol / vinyl pyrrolidone copolymer, nitrogen substituted acrylamide type Polymer, polyacrylamide, cationic polymer such as cationized gar gum, dimethylacrylammonium polymer, acrylic acid / methacrylic acid acrylic copolymer, POE / POP copolymer, polyvinyl alcohol, pullulan, gelatin, tamarind seed polysaccharide, xanthan gum, Carrageenan, high methoxyl pectin, low methoxyl pectin, gar gum, gum arabic, crystalline cellulose, arabinogalactan, karaya gum, tragacanth gum, alginic acid, alginate Bumin, casein, curdlan, gellan gum, dextran, cellulose, polyethyleneimine, highly polymerized polyethylene glycol, cationized silicone polymer, synthetic latex, and the like.
[0024]
The physiologically active ingredient includes a substance that gives some physiological activity to the skin when applied to the skin. For example, whitening ingredients, anti-inflammatory agents, anti-aging agents, slimming agents, squeeze agents, antioxidants, moisturizers, blood circulation promoters, antibacterial agents, bactericides, desiccants, cooling agents, warming agents, vitamins, Examples include amino acids, wound healing promoters, stimulus relieving agents, analgesics, cell activators, enzyme components, and the like. Among these, natural plant extract components, seaweed extract components, and herbal medicine components are particularly preferable. In the present invention, it is preferable to blend one or more of these physiologically active ingredients.
[0025]
Examples of these natural ingredients include, for example, Ashitaba extract, Avocado extract, Achacha extract, Altea extract, Arnica extract, Aloe extract, Apricot extract, Apricot kernel extract, Ginkgo biloba extract, Fennel extract, Turmeric extract, Oolong tea extract, Ages extract , Echinacea leaf extract, Ogon extract, Oat extract, Oen extract, Barley extract, Hypericum extract, Oyster extract, Dutch mustard extract, Orange extract, Seawater extract, Seaweed extract, Hydrolyzed elastin, Hydrolyzed wheat powder, Hydrolyzed silk, Chamomile extract, carrot extract, Kawara mugwort extract, licorice extract, calcade extract, oyster extract, kiwi extract, kina extract, cucumber extract, guanosine, gardenia extract, Kumazasaeki , Clara extract, walnut extract, grapefruit extract, clematis extract, chlorella extract, mulberry extract, gentian extract, tea extract, yeast extract, burdock extract, rice bran extract, rice germ oil, comfrey extract, collagen, bilberry extract, saicin extract, Psycho extract, Saitai extract, Salvia extract, Soybean extract, Sasa extract, Hawthorn extract, Salamander extract, Shiitake extract, Giant extract, Shikon extract, Perilla extract, Linden extract, Shimotake extract, Peonies extract, Ginger root extract, Birch extract, Japanese cedar extract , Kizuta extract, Hawthorn extract, Elderberry extract, Achillea millefolium extract, Pepper extract, Sage extract, Mallow Kiss, Senkyu extract, Assembly extract, Soybean extract, Tisoiso extract, Thyme extract, Tea extract, Clove extract, Chigaya extract, Chimpi extract, Toki extract, Tokinsenka extract, Tonin extract, Spruce extract, Dokudami extract, Tomato extract, Natto extract, Carrot extract, Garlic extract, Novara extract, Hibiscus extract, Bacmond extract, Parsley extract, Honey, Camelis extract, Parietalia extract, Butterberry extract, Bisabolol, Biwa extract, Japanese dandelion extract, Fukinoto extract, Bukcho extract, Butcher bloom extract, Grape extract, Propolis, Loofah extract, safflower extract, peppermint extract, bodaiju extract, button extract, hop extract, pine extract, maronier extract, Citrus Extract, Mulberry Extract, Melissa Extract, Peach Extract, Cornflower Extract, Eucalyptus Extract, Yukinoshita Extract, Yuzu Extract, Yakuinin Extract, Artemisia Extract, Lavender Extract, Apple Extract, Lettuce Extract, Lemon Extract, Forsythia Extract, Rose Extract, Rosemary Extract, Roman chamomile extract, royal jelly extract and the like.
[0026]
Examples of the oily cosmetic of the present invention include makeup cosmetics such as lipsticks, lip balms, foundations, eye shadows, eye liners, and eyebrows, and hair cosmetics such as pomades and ticks. Examples of the oily cosmetic dosage form include liquid, paste, gel, and solid. In the present invention, in the case of non-aqueous oily cosmetics, particularly in the case of non-aqueous makeup cosmetics, the effects of the present invention are remarkably obtained, which is preferable.
[0027]
【Example】
Hereinafter, the present invention will be described in detail by examples and comparative examples.
Moreover, the evaluation method with respect to the various characteristics of the oily cosmetics obtained in Examples and Comparative Examples is shown below.
[0028]
[Evaluation of skin usefulness]
Prepare 20 expert panelists for each evaluation item (however, panelists may overlap depending on the item), and evaluate according to the following classification based on the number of panelists judged to be excellent in each evaluation item. It was.
[0029]
Figure 0004145458
[0030]
Production Example 1 of Agar-Coated Pigment
A slurry composed of 95 parts by mass of spherical silica-treated titanium oxide (average primary particle size 0.3 μm), 5 parts by mass of agar having a jelly strength of 500 g / cm 2 and 900 parts by mass of purified water was prepared at a temperature of 85 ° C. Subsequently, this slurry was spray-dried with a spray dryer to obtain agar-treated titanium oxide having an average secondary particle size of 9 μm.
[0031]
Production Example 2 of Agar-Coated Pigment
A slurry consisting of 93 parts by weight of mica titanium (average primary particle diameter 13 μm), 7 parts by weight of agar having a jelly strength of 400 g / cm 2 and 800 parts by weight of purified water was prepared at a temperature of 85 ° C. Subsequently, this slurry was spray-dried with a spray dryer to obtain agar-treated titanium mica having an average secondary particle diameter of 16 μm.
[0032]
Production Example 3 of Agar-Coated Pigment
A slurry of 97 parts by weight of red No. 201 and 60 parts by weight of purified water was prepared. On the other hand, 3 parts by mass of agar having a jelly strength of 200 g / cm 2 was dissolved in 70 parts by mass of purified water at 80 ° C., and the slurry was added to this and mixed vigorously under heating. Part by mass was added and further mixed. The resulting mixture was transferred to a stainless steel vat, and then dried with a blowing air dryer (drying temperature 60 ° C.). The obtained powder was pulverized with an atomizer to obtain agar-treated red No. 201.
[0033]
Production Example 4 of Agar-Coated Pigment
A slurry of 97 parts by mass of red No. 202 and 120 parts by mass of purified water was prepared. On the other hand, 3 parts by mass of agar having a jelly strength of 400 g / cm 2 was dissolved in 70 parts by mass of purified water at 80 ° C., and the slurry was added to this and mixed vigorously under heating. Part by mass was added and further mixed. The resulting mixture was transferred to a stainless steel vat, and then dried with a blowing air dryer (drying temperature 60 ° C.). The obtained powder was pulverized with an atomizer to obtain agar-treated red No. 202.
[0034]
Production Example 5 of Agar-Coated Pigment
Agar-treated yellow No. 4 aluminum lake was obtained in the same manner as in Production Example 4 except that Yellow No. 4 aluminum lake was used instead of Red No. 201 in Production Example 4.
[0035]
Examples 1-4, Comparative Examples 1-4 (lipstick)
Lipsticks were prepared according to the formulation in Table 1 and the following production method.
However, as the agar-treated pigment, those prepared in the above Production Examples 1 to 5 were used. As the silicone-treated pigment, a pigment obtained by coating the same pigment as that used in the production example with dimethylpolysiloxane in the same coating amount as the agar-treated pigment was used. As the untreated pigment, the same pigment as that used in the production example was used.
As polybutene, room temperature liquid polybutene having an average molecular weight of about 1000 and hydrogenated polybutene having an average molecular weight of about 1000 were used.
[0036]
[Table 1]
Figure 0004145458
[0037]
(Production method)
After dissolving the oil component at 90 ° C, the pigment component, etc. is charged and mixed, and after further mixing and pulverization using a roller, re-dissolution and deaeration are performed, the mold is filled, and after cooling, it is taken out. The product was obtained by installing in a container.
[0038]
From the results in Table 1, it can be seen that each example of the present invention has a long lasting makeup and a moist feeling compared to each comparative example. This is expected to have a synergistic effect due to the compatibility between the adhesion when agar water is contained and the polybutene covering the agar-treated pigment in the preparation.
[0039]
【The invention's effect】
In view of the above, the present invention combines the pigment coated with agar, which is a naturally derived hydrophilic polymer, polybutene, and its hydrogenated product, so that the water absorption and tackiness of the agar-treated pigment can be appropriately adjusted. It is clear that an oily cosmetic with excellent control and long-lasting moisturizing feeling can be obtained.

Claims (3)

寒天を顔料100質量部に対して1〜15質量部被覆した寒天被覆処理顔料と、イソブテンとn−ブテンを共重合して得られ、常温で液体〜ペーストの形状を持つポリブテン及び/又はその水素添加物を油性化粧料の総量に対して5〜40質量部含有することを特徴とする油性化粧料。Polybutene and / or its hydrogen obtained by copolymerizing an agar-coated pigment obtained by coating 1 to 15 parts by mass of agar with 100 parts by mass of pigment, and isobutene and n-butene at room temperature. An oily cosmetic comprising 5 to 40 parts by mass of an additive relative to the total amount of the oily cosmetic. ポリブテン、その水素添加物の平均分子量が500〜2700であることを特徴とする請求項1に記載の油性化粧料。  2. The oily cosmetic according to claim 1, wherein polybutene and the hydrogenated product have an average molecular weight of 500 to 2700. ポリブテン、その水素添加物の平均分子量が800〜1200であることを特徴とする請求項1又は2に記載の油性化粧料。  3. The oily cosmetic according to claim 1, wherein the polybutene and the hydrogenated product have an average molecular weight of 800 to 1200. 4.
JP2000044211A 2000-02-22 2000-02-22 Oily cosmetics Expired - Lifetime JP4145458B2 (en)

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JP2002316910A (en) * 2001-04-19 2002-10-31 Kanebo Ltd Oil-based cosmetic
JP2004269396A (en) * 2003-03-07 2004-09-30 Kanebo Ltd Oily makeup cosmetic
JP2008239578A (en) * 2007-03-28 2008-10-09 Tokiwa Corp Stick-type oily solid cosmetic product
JP2010100608A (en) * 2008-09-25 2010-05-06 Kao Corp Stick-like oily lip cosmetic

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