Photochromic compound
US5166345A · kind A · utility
125Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1991 |
| Grant date | Nov 24, 1992 |
| Priority date | — |
| Expiry date | Aug 7, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/733
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel photochromic compound and a polymer comprising the photochromic compound are disclosed. The novel photochromic compound of the present invention is a spirooxazine compound having an addition polymerizable organic functional group or a ring-opening polymerizable organic functional group therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.