Light adjustable lenses capable of post-fabrication power modification via multi-photon processes
US7237893B2 · kind B2 · utility
35Cited by
22References
13Claims
0Family size
Inventors
Key dates
| Filing date | Oct 21, 2005 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Jan 10, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that is compatible with the base material of the light adjustable composition. The novel photoinitiator permit the readjustment of light adjustable material without the need for significant amounts of photoabsorbers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.