Novel method for forming silver diffusion transfer image receiving layers
US4163816A · kind A · utility
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4References
12Claims
0Family size
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Key dates
| Filing date | Oct 27, 1977 |
| Grant date | Aug 7, 1979 |
| Priority date | — |
| Expiry date | Oct 27, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C8/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Silver diffusion transfer image-receiving elements are formed by hydrolyzing a solution of a hydrolyzable cellulose ester, coating a support with a layer of said hydrolyzed cellulose ester and disposing silver precipitating nuclei therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.