Silver halide photographic materials containing a compound which releases a photographically useful group
US4770982A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1986 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | Jun 4, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/16
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A silver halide photographic material is disclosed which contains a compound represented by formula (I) EQU RED--L.sub.1).sub.v B--L.sub.2).sub.w PUG (I) wherein RED represents a group adapted to release the group (L.sub.1).sub.v B--L.sub.2).sub.w PUG upon oxidation: L.sub.1 represents a group adapted to release the group B--L.sub.2).sub.w PUG after cleavage from RED; B represents a group which, after cleavage of the bond with L.sub.1 or RED, releases the group (L.sub.2).sub.w PUG upon reaction with an oxidized developing agent; L.sub.2 represents a group which, after cleavage from B, releases PUG; PUG represents a photographically useful group; and v and w each represents 0 or 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.