Silver halide photographic material and very high contrast negat

Details Silver halide photographic material and very high contrast negat Silver halide photographic material and very high contrast negat

1986-05-07

1988-12-06

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430265, 430569, 430599, G03C 106, G03C 108, G03C 526

Patent

active

047896183

ABSTRACT:
A silver halide photographic material having on a support at least one silver halide emulsion layer is disclosed, wherein the silver halide emulsion layer comprises a silver halide emulsion containing an oxidizing agent added thereto before chemical ripening of the emulsion, and the silver halide emulsion or a hydrophilic colloid layer contains a hydrazine derivative.

REFERENCES:
patent: 3748130 (1973-07-01), Hoffman et al.
patent: 3957490 (1976-05-01), Libeey et al.
patent: 4221857 (1980-09-01), Okutsu et al.
patent: 4224401 (1980-09-01), Takada et al.
patent: 4269929 (1981-05-01), Nothnagle
patent: 4328302 (1982-05-01), Nishimura et al.
patent: 4468454 (1984-08-01), Brown
patent: 4478928 (1984-10-01), Hess et al.

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