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- Google Patents
AU489010B2 - Removal of nitrogen from waste waters
- Google Patents
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.)
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.)
STWB Inc
Original Assignee
Sterling Drug Inc
Filing date
Publication date
Priority claimed from US05/506,977external-prioritypatent/US3930998A/en
Application filed by Sterling Drug IncfiledCriticalSterling Drug Inc
Application grantedgrantedCritical
Publication of AU8459075ApublicationCriticalpatent/AU8459075A/en
Publication of AU489010B2publicationCriticalpatent/AU489010B2/en