Direct positive silver halide photographic light-sensitive mater

Details Direct positive silver halide photographic light-sensitive mater Direct positive silver halide photographic light-sensitive mater

1986-04-02

1988-01-12

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Positive

430567, 430611, 430612, 430613, 430614, 430598, G03C 1485, G03C 134

Patent

active

047191740

ABSTRACT:
A direct positive silver halide photographic light-sensitive material is described containing a weak electron donative, adsorptive compound represented by formula (I) or (II) effective for depressing formation of a re-reversed negative image, which is not a spectral sensitizing agent for silver halide or a nucleating agent:

REFERENCES:
patent: 3713832 (1973-01-01), Shiba et al.
patent: 4266018 (1981-05-01), Ishiguro et al.
patent: 4395478 (1983-07-01), Hoyen
patent: 4471044 (1984-09-01), Parton et al.
patent: 4478928 (1984-10-01), Hess et al.
patent: 4481285 (1984-11-01), Takagi et al.
patent: 4629678 (1986-12-01), Murai

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