Bleach-fix sheets
US4256826A · kind A · utility
5Cited by
13References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1978 |
| Grant date | Mar 17, 1981 |
| Priority date | — |
| Expiry date | Aug 14, 1998 |
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 bleaching agent, a fixing agent and a hardened hydrophilic binder. In a preferred embodiment, the bleach-fix sheet is useful to bleach and fix a retained image in a color image diffusion transfer unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.