Image forming process including heating step
US4983494A · kind A · utility
14Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1989 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Oct 18, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/161
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image is formed in a photographic element by a process comprising a step of heating a heat-developable photosensitive material in the presence of a specific compound which typically releases a phenylmercaptotetrazole having a substituted benzene ring and serving as a development retarder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.