Multilayer color photographic element containing a solubilized blocked dye moiety
US5654123A · kind A · utility
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2References
17Claims
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Key dates
| Filing date | Jun 28, 1996 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | Jun 28, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/159
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Multilayer color photographic elements are described which contain a release compound that during photographic processing provides an imagewise distribution of a nucleophile which can react with a uniform distribution of a sulfinate blocked dye moiety contained in the element to release a solubilized unblocked dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.