UV/visible light absorbers for ophthalmic lens materials
US8232326B2 · kind B2 · utility
12Cited by
46References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 8, 2012 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | Feb 8, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/18
- 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.