Development promoting compounds for silver halide photography
US3986877A · kind A · utility
4Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1974 |
| Grant date | Oct 19, 1976 |
| Priority date | — |
| Expiry date | Aug 8, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/053
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method is described for developing silver halide emulsions wherein development is activated by incorporating in the developing composition or the emulsion a homopolymer or copolymer comprising (meth)acrylate or (meth)acrylamide units in which the ester linked or amide linked group contains at least one thioether sulphur atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.