Photo reactive spiro-benzoxazine compounds
US5446151A · kind A · utility
12Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1993 |
| Grant date | Aug 29, 1995 |
| Priority date | — |
| Expiry date | Dec 2, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/685
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A photo reactive material, such as a photochromic material, which has the following structure: ##STR1## where the variables, A, R, R', R", R*, R.sup.+, m, and n are defined in claim 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.