Method and apparatus for photographic processing solution replenishment
US5439784A · kind A · utility
1Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1992 |
| Grant date | Aug 8, 1995 |
| Priority date | — |
| Expiry date | Oct 19, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/144
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method for replenishing an unstable photographic processing solution is disclosed, including the following replenisher solutions: PA1 (1) a color developer replenisher, PA1 (2) an oxidizing agent replenisher, and PA1 (3) a halide-containing seasoning replenisher (starter solution). The oxidizing agent is not removed from the developer/amplifier after use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.