Organic compounds
US7521519B1 · kind B1 · utility
61Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2000 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Mar 14, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/42
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to novel crosslinkable copolymers of formulawherein the variables are as defined in the claims. The copolymers of the invention are especially useful for the manufacture of biomedical molding, for example ophthalmic moldings such as in particular contact lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.