Photographic recording material with continuous tone gradation s

Details Photographic recording material with continuous tone gradation s Photographic recording material with continuous tone gradation s

1991-01-11

1991-09-03

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430606, G03C 102, G03C 136

Patent

active

050454447

ABSTRACT:
Black-and-white continuous tone reproductions may be obtained under daylight conditions with a photographic recording material in which the silver halide consists to an extent of at least 75 mol % of silver chloride and has been prepared in the presence of a 1-phenyl-5-mercaptotetrazole compound. The material is particularly suitable for reprophotographic work, e.g. for the production of continuously graduated masks.

REFERENCES:
patent: 4818659 (1989-04-01), Takahashi et al.
patent: 4828972 (1989-05-01), Ihama et al.
patent: 4830950 (1989-05-01), Kuwakara et al.
patent: 4892812 (1990-01-01), Kohnura et al.

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