Polymeric scavengers for oxidized developing agents and photographic elements containing the same
US5198517A · kind A · utility
2Cited by
15References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Aug 6, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/396
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Reducing agents for oxidized developing agents and light sensitive elements containing the reducing agents wherein the reducing agents comprise a polymer having gallic acid or gallic acid derivative moieties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.