Process for forming a superhigh contrast negative image

Details Process for forming a superhigh contrast negative image Process for forming a superhigh contrast negative image

1988-08-08

1989-10-10

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430267, 430445, 430446, 430448, 430598, 430614, 430615, G03C 106

Patent

active

048731722

ABSTRACT:
A process for forming a superhigh contrast negative image with a stable developer is disclosed, which comprises development processing a silver halide photographic material in the presence of a compound of formula (I) and a compound of formula (II) as defined in the specification.

REFERENCES:
patent: 4108662 (1978-08-01), Hayashi et al.
patent: 4269929 (1981-05-01), Nothnagle
patent: 4311781 (1982-01-01), Mifune et al.

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