Photographic products employing novel nondiffusible compounds which release photographically useful groups
US4609610A · kind A · utility
3Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1985 |
| Grant date | Sep 2, 1986 |
| Priority date | — |
| Expiry date | Aug 1, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/158
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Photographic elements and assemblages are described which employ nondiffusible compounds which release photographically useful groups in an imagewise manner as the result of a .beta.-elimination reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.