Ocular lens material
US5416132A · kind A · utility
132Cited by
3References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 24, 1993 |
| Grant date | May 16, 1995 |
| Priority date | — |
| Expiry date | Aug 24, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/043
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An ocular lens material made of a copolymer consisting essentially of (A) a polysiloxane macromonomer having polymerizable groups bonded by 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 ranges from 10:90 to 90:10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.