Photographic colour couplers, methods of making them and photogr

Details Photographic colour couplers, methods of making them and photogr Photographic colour couplers, methods of making them and photogr

1994-05-04

1996-02-13

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430386, 430387, 430543, 430558, G03C 736

Patent

active

054910498

ABSTRACT:
The present invention provides a photographic element comprising a support, at least one photosensitive silver halide layer and in or adjacent said silver halide layer a colour coupler of one of the general formulas: ##STR1## wherein R.sup.1 is a subsituted or unsubstituted aryl or a subsituted or unsubstituted heterocylic group,

REFERENCES:
patent: 5162196 (1992-11-01), Sato et al.

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