Compositions and methods for the manufacture of ophthalmic lenses
US6455653B1 · kind B1 · utility
4Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | May 8, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31931
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention provides compositions for producing lenses by casting. The compositions are useful in producing ophthalmic lens by casting of a surface or layer onto a preform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.