Water reservoir layers in bleach-fix sheets
US4480025A · kind A · utility
8Cited by
6References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1983 |
| Grant date | Oct 30, 1984 |
| Priority date | — |
| Expiry date | Jan 13, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/42
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A bleach-fix sheet for use in color photographic processes comprises a support having thereon a bleach-fix layer and a water reservoir layer comprising a water-supplying polymer. In a preferred embodiment, the bleach-fix sheet is useful to bleach and fix a retained image in a color image diffusion transfer process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.