Photographic elements silver halide containing a specific polymer and water soluble dye layer
US5077187A · kind A · utility
2Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1990 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Oct 4, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polymers comprising recurring units represented by the structure: ##STR1## where R.sup.1, R.sup.2, D, J, Y, a, b, and c are as defined herein are useful for controlling wandering of filter dyes in photographic elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.