Photographic material comprising a copolyester support
US5411843A · kind A · utility
3Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1993 |
| Grant date | May 2, 1995 |
| Priority date | — |
| Expiry date | Sep 20, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/7954
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A photographic material comprising at least one silver halide emulsion layer and a copolyester support-said copolyester comprising polyether group(s) in the side chain is disclosed. Preferably the copolyester is prepared by copolycondesing diol moieties that comprise a polyether group substituted with a sulfonic acid group in acid or salt form into the copolyester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.