Photographic element containing scavenger for oxidized developing agent
US4923787A · kind A · utility
22Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 12, 1989 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | May 12, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C317/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A photographic element is described which comprises a compound capable of scavenging oxidized developing agent to prevent stain and fog formation in developed color images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.