AU492477B2 - Fabrication of soft contact lenses and composition therefor - Google Patents

Fabrication of soft contact lenses and composition therefor

Info

Publication number: AU492477B2
Authority: AU; Australia
Prior art keywords: fabrication; contact lenses; soft contact; composition therefor; therefor
Prior art date: 1974-11-21
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

AU86703/75A

Other versions

AU8670375A (en

Inventor

R. LEBOEUF and WILLIAM R. GROVESTEEN ALBERT

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.)

Novartis AG

Original Assignee

Ciba Geigy AG

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.)

1974-11-21

Publication date

1977-06-04

1974-11-21 Priority claimed from US05/526,022 external-priority patent/US3978164A/en

1975-11-18 Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG

1977-06-02 Publication of AU8670375A publication Critical patent/AU8670375A/en

1977-06-04 Application granted granted Critical

1977-06-04 Publication of AU492477B2 publication Critical patent/AU492477B2/en

1978-02-16 Priority to AU33370/78A priority Critical patent/AU515527B2/en

Status Expired legal-status Critical Current

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AU33370/78A AU515527B2 (en)	1975-11-18	1978-02-16	Casting mold

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/526,022 US3978164A (en)	1974-11-21	1974-11-21	Pyrrolidone-methacrylate graft copolymers from 3-stage polymerization process
USUS526022		1974-11-21

Publications (2)

Publication Number	Publication Date
AU8670375A AU8670375A (en)	1977-06-02
AU492477B2 true AU492477B2 (en)	1977-06-04

Family

ID=

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