Photographic elements containing development accelerators and release compounds that release development inhibitors
US5460932A · kind A · utility
3Cited by
16References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1994 |
| Grant date | Oct 24, 1995 |
| Priority date | — |
| Expiry date | May 27, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/158
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic element comprising a support having located thereon a first layer which does not contain colloidal silver and a second layer, the first layer containing a release compound that comprises a development inhibitor moiety and a blocking group from which the development inhibitor moiety is non-imagewise released, and the second layer containing a development accelerator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.