Silver halide emulsions containing 3-anilino-2-pyrazolin-5-one c

Details Silver halide emulsions containing 3-anilino-2-pyrazolin-5-one c Silver halide emulsions containing 3-anilino-2-pyrazolin-5-one c

1974-03-18

1976-01-06

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

And serially arranged nonelectrical separator

96 566, 96100, 260310C, G03C 700, G03C 140

Patent

active

039308618

ABSTRACT:
Novel magenta-forming 3-anilino-2-pyrazolin-5-one colour couplers for use in silver halide photography are described wherein the anilino group carries an aryloxysulphonyl group.

REFERENCES:
patent: 2289805 (1942-07-01), Porter et al.
patent: 2343703 (1944-03-01), Porter et al.
patent: 3415652 (1968-12-01), Porter
patent: 3798234 (1974-03-01), Meier et al.

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