Photosensitive silver halide material for obtaining half-tone bl

Details Photosensitive silver halide material for obtaining half-tone bl Photosensitive silver halide material for obtaining half-tone bl

1985-12-10

1987-04-21

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430265, 430267, 430614, 430615, 430564, 430567, 430568, 430949, G03C 106

Patent

active

046596470

ABSTRACT:
A photosensitive silver halide material for obtaining black and white half-tone dot or line images comprises a fine grain and high-chloride silver halide emulsion reactively associated with an aqueous latex of a hydrophobic vinyl addition polymer in combination with a stabilizer selected from the group consisting of 4-hydroxy-1,3,3a,7-tetrazaindenes, benzotriazoles and benzimidazoles. The silver halide emulsion has an average grain size lower than or equal to 0.20 micron with at least 60% of its molar halide content consisting of chloride ions.
The material allows high-contrast and high resolving power images to be obtained.
The material has a good developability in photographic processings and this reduces the development times and increases productivity.

REFERENCES:
patent: 3082088 (1963-03-01), Heilmann et al.
patent: 3462272 (1969-08-01), Duffin et al.
patent: 3563755 (1971-02-01), Anderson et al.
patent: 3565631 (1971-02-01), Oguchi et al.
patent: 3765900 (1973-10-01), Depoorter et al.
patent: 4551412 (1985-11-01), Ogawa et al.
patent: 4560638 (1985-12-01), Loblaw et al.

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