Light-sensitive composition containing antioxidant
US4077805A · kind A · utility
1Cited by
5References
9Claims
0Family size
Inventors
Key dates
| Filing date | May 26, 1976 |
| Grant date | Mar 7, 1978 |
| Priority date | — |
| Expiry date | May 26, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/675
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A composition in the form of a dispersion in a hydrophilic continuous phase of a combination of N-vinylcarbazole, a halogenated hydrocarbon, 4-(p-dimethylaminostyryl)-quinoline as a sensitizer and a phenol derivative, as a shelf life extending additive, having the formula ##STR1## where R.sub.1 and R.sub.2 are individually C.sub.1 to C.sub.4 alkyl, and R.sub.3 is hydrogen, hydroxyl groups, C.sub.1 to C.sub.4 alkyl or C.sub.1 to C.sub.4 alkoxyl. The amount of the additive is in the range from 0.001 to 0.1 Wt% of N-vinylcarbazole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.