UV/visible light absorbers for ophthalmic lens materials
US8262947B2 · kind B2 · utility
14Cited by
15References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2010 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Aug 29, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Benzotriazole UV/Visible light-absorbing monomers are disclosed. The UV/Vis absorbers are particularly suitable for use in intraocular lens materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.