FR2323648B2 - - Google Patents

Info

Publication number: FR2323648B2
Authority: FR; France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

FR7528072A

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Corning Glass Works

Original Assignee

Corning Glass Works

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1975-09-12

Filing date

1975-09-12

Publication date

1982-07-16

1975-09-12 Application filed by Corning Glass Works filed Critical Corning Glass Works

1975-09-12 Priority to FR7528072A priority Critical patent/FR2323648A2/fr

1977-04-08 Publication of FR2323648A2 publication Critical patent/FR2323648A2/fr

1982-07-16 Application granted granted Critical

1982-07-16 Publication of FR2323648B2 publication Critical patent/FR2323648B2/fr

Status Granted legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Glass Compositions (AREA)

FR7528072A 1975-09-12 1975-09-12 Verres ophtalmiques a indice de refraction eleve Granted FR2323648A2 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR7528072A FR2323648A2 (fr)	1975-09-12	1975-09-12	Verres ophtalmiques a indice de refraction eleve

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7528072A FR2323648A2 (fr)	1975-09-12	1975-09-12	Verres ophtalmiques a indice de refraction eleve

Publications (2)

Publication Number	Publication Date
FR2323648A2 FR2323648A2 (fr)	1977-04-08
FR2323648B2 true FR2323648B2 (fr)	1982-07-16

Family

ID=9159935

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7528072A Granted FR2323648A2 (fr)	1975-09-12	1975-09-12	Verres ophtalmiques a indice de refraction eleve

Country Status (1)

Country	Link
FR (1)	FR2323648A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4211569A (en) *	1979-03-09	1980-07-08	Corning Glass Works	High index ophthalmic glasses
US5078771A (en) *	1989-02-07	1992-01-07	Canyon Materials, Inc.	Method of making high energy beam sensitive glasses
US5162826A (en) *	1991-06-17	1992-11-10	Corning Incorporated	High index ophthalmic glasses
WO1997036834A1 (fr) *	1996-04-02	1997-10-09	Corning Incorporated	Verres avec indice de refraction eleve et leur utilisation comme segments de lentilles correctrices multifocales
FR2746790B1 (fr) *	1996-04-02	1998-07-03	Corning Inc	Verres a indice de refraction eleve et leur utilisation comme segments de lentilles correctrices multifocales
US20020019305A1 (en)	1996-10-31	2002-02-14	Che-Kuang Wu	Gray scale all-glass photomasks
US6562523B1 (en)	1996-10-31	2003-05-13	Canyon Materials, Inc.	Direct write all-glass photomask blanks

1975
- 1975-09-12 FR FR7528072A patent/FR2323648A2/fr active Granted

Also Published As

Publication number	Publication date
FR2323648A2 (fr)	1977-04-08

Publication	Publication Date	Title
FR2327294B1 (fr)	1978-12-22
FR2317897B3 (fr)	1979-04-27
FR2333447B2 (fr)	1979-06-15
JPS5424884Y2 (fr)	1979-08-22
JPS5433641Y2 (fr)	1979-10-16
JPS5733500Y2 (fr)	1982-07-23
FR2312490B1 (fr)	1979-06-08
JPS554445Y2 (fr)	1980-02-01
JPS55167Y2 (fr)	1980-01-07
JPS5249765U (fr)	1977-04-08
JPS51125844U (fr)	1976-10-12
JPS51140568U (fr)	1976-11-12
JPS51151298U (fr)	1976-12-03
JPS5249374U (fr)	1977-04-08
JPS5273159U (fr)	1977-06-01
CH603867A5 (fr)	1978-08-31
CH588071A5 (fr)	1977-05-31
BG22665A1 (fr)	1977-04-20
CH607388A5 (fr)	1978-12-15
CH605033A5 (fr)	1978-09-29
CH604858A5 (fr)	1978-09-15
CH604664A5 (fr)	1978-09-15
CH604362A5 (fr)	1978-09-15
CH603880B5 (fr)	1978-08-31
CH602094A5 (fr)	1978-07-31