Photographic silver halide color material containing fast-acting

Details Photographic silver halide color material containing fast-acting Photographic silver halide color material containing fast-acting

1976-08-17

1978-10-31

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Collecting electrode details

96 565, 96111, G03C 140

Patent

active

041232810

ABSTRACT:
Color photographic material containing a fast-acting hardener, which acts by activating carboxyl groups, wherein said material contains a 2-pyrazolin-5-one coupler precursor corresponding to one of the following general formulae I or II: ##STR1## wherein EACH OF R.sup.1, R and Y are substituents of the type used in 2-pyrazolin-5-one color couplers, and

REFERENCES:
patent: 3790388 (1974-02-01), Shiba et al.
patent: 3880665 (1975-04-01), Himmelmann
patent: 3898089 (1975-08-01), Yamamoto et al.
Oftedahl et al., Defensive Publication, T878,013, published Sep. 29, 1970.

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