Ocular lens material
US5346946A · kind A · utility
180Cited by
1References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 25, 1993 |
| Grant date | Sep 13, 1994 |
| Priority date | — |
| Expiry date | Aug 25, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ocular lens material made of a copolymer comprising, as main copolymerizable components, (A) a polysiloxane macromonomer having polymerizable groups bonded via one or more urethane bonds to the siloxane main chain and (B) an alkyl (meth)acrylamide, wherein the weight ratio of the polysiloxane macromonomer to the alkyl (meth)acrylamide is from 5/95 to 90/10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.