Silver halide photographic materials

Details Silver halide photographic materials Silver halide photographic materials

1990-04-20

1992-07-28

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430223, 430564, 430559, 430566, 430598, 430955, 430957, 430959, G03C 554, G03C 142, G03C 726, G03C 106

Patent

active

051340550

ABSTRACT:
A silver halide photographic material is disclosed, which has at least one compound represented general formula (1): ##STR1## wherein R represents an aliphatic group, an aromatic group, or a heterocyclic group; both L and Time represent a divalent organic group; t represents 0 or 1; PUG represents a photographically useful group; Y represents --SO.sub.2 --, --Y'--SO.sub.2 --, or ##STR2## and Y' represents --O--, --NH--, or ##STR3## The material has a broad exposure latitude in line image-taking work and has a high resolving power in the work. It can form an ultrahard image having a high gamma value of 10 or more. The material may excellently reproduce a line original to form an ultrahard image having a high background density. It also has a broad exposure latitude in halftone dot image-taking work and can form a halftone dot image having ultrahigh contrast with high image quality.

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patent: 4999276 (1991-03-01), Kuwabara et al.
patent: 5006445 (1991-04-01), Yagihara et al.

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