Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1994-03-31

1995-11-21

Neville, Thomas R.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430598, G03C 106

Patent

active

054685923

ABSTRACT:
An ultra-hard silver halide photographic material having high processing stability, which contains a hydrazine derivative represented by the following general formula (1) or (2): ##STR1## wherein X.sup.1 and X.sup.2 are each a group containing 1 to 6 carbon atoms, Y.sup.1 is a hydrogen atom or a group, R.sup.1 is a group, Y.sup.1 and R.sup.1 jointly provide 4 to 30 carbon atoms, Y.sup.2 is an electron withdrawing group, R.sup.2 is a hydrogen atom or a monovalent group, and n is an integer of from 1 to 5.

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patent: 5147756 (1992-09-01), Fodor
patent: 5190847 (1993-03-01), Chan et al.
patent: 5204213 (1993-04-01), Okada et al.
patent: 5284732 (1994-02-01), Nii et al.
patent: 5288590 (1994-02-01), Kuwabara et al.

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