Bleach starter for color photographic processes
US6033834A · kind A · utility
3Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1999 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Aug 26, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2200/44
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of preparing a bleaching solution for a photographic element comprising combining a photographic bleach starter comprising sodium acetate, potassium acetate or ammonium acetate with a photographic solution having bleaching ability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.