Photographic silver halide material containing a coupler having

Details Photographic silver halide material containing a coupler having Photographic silver halide material containing a coupler having

1992-12-07

1994-04-26

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430552, 430553, 430554, 430555, 430556, 430557, 430558, 430503, 548110, 556465, 556400, 556482, G03C 108, G03C 726, G03C 732

Patent

active

053066049

ABSTRACT:
Photographic silver halide materials are disclosed comprising a support and a silver halide emulsion layer having associated therewith a coupler having in a non-coupling position a silyl substituent represented by the formula: ##STR1## wherein R.sub.1 through R.sub.4 individually are unsubstituted or substituted aliphatic, aromatic or heterocyclic groups, R.sub.5 is an unsubstituted or substituted aliphatic, aromatic or heterocyclic group which can be bonded to a non-coupling position of a second coupler moiety, and n=0, 1 or 2. In a preferred embodiment, the coupler is a photographic image dye-forming coupler. Processes for developing images in the photographic materials are also disclosed.

REFERENCES:
patent: 3772002 (1973-11-01), Ramello
patent: 4824771 (1989-04-01), Buckland et al.
patent: 4973545 (1990-11-01), Moore
patent: 5128238 (1992-07-01), Nakazyo et al.

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