Photographic conditioning solution containing polyaminocarboxylic acid as sole antimicrobial agent and method of use
US6180327A · kind A · utility
0Cited by
16References
20Claims
0Family size
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Key dates
| Filing date | Apr 5, 1995 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Apr 5, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/37
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A conditioning solution or bleach accelerating solution can be used to process color photographic films, especially color reversal films, to minimize magenta dye fade. This solution contains an antimicrobial composition that consists essentially of a polyaminocarboxylic acid or salt thereof as the sole antimicrobial agent. This agent is present in an amount of less than about 3 g/l.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.