Photographic material and process

Details Photographic material and process Photographic material and process

1992-07-23

1993-09-07

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430376, 430380, 430219, 430223, 430543, 430558, 430559, 430562, 430564, 430566, 430598, 430611, 430613, 430628, 430955, 430957, 430958, 430959, 430544, G03C 726, G03C 142, G03C 134, G03C 106

Patent

active

052427838

ABSTRACT:
A novel blocked photographically useful compound element and process are based on a new blocking group that comprises a beta-ketocarbonyl group that is part of a 5- to 7-member heterocyclic ring containing a hetero-atom not adjacent to the beta-ketocarbonyl group. Such a blocked photographically useful compound provides a photographic material and process enabling more rapid release of the photographically useful group upon processing.

REFERENCES:
patent: 4310612 (1982-01-01), Mooberry et al.
patent: 4435495 (1984-03-01), Lau
patent: 4690885 (1987-09-01), Yagihara et al.
patent: 4847185 (1989-07-01), Begley et al.
patent: 5019492 (1991-05-01), Buchanan

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