Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1990-10-31

1992-09-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430611, 430613, 430614, 430617, 430619, G03C 134

Patent

active

051513579

ABSTRACT:
A novel silver halide photographic material is described, comprising a compound represented by formula (I): ##STR1## wherein Q represents a nonmetallic atomic group required to be connected to carbon atom and nitrogen atom to form a monocyclic or condensed heterocyclic ring therewith; L represents a divalent group; n represents an integer of 0 to 2; M.sup.1 represents a hydrogen atom, ammonium ion or metallic ion; and R.sup.1 and R.sup.2 each represents a hydrogen atom, alkyl group, ammonium ion or metallic ion and may be the same or different or may be connected to each other to form a 5- or 6-membered ring. In a preferred embodiment, at least one of R.sup.2 and R.sup.1 represents a hydrogen atom, ammonium ion or metallic ion.

REFERENCES:
patent: T878010 (1970-09-01), Beavers
patent: 4820616 (1989-04-01), Matejec et al.
patent: 4950578 (1990-08-01), Yagihara et al.
patent: 4952483 (1990-08-01), Inoue et al.
patent: 4965181 (1990-10-01), Kubodera et al.
Patent Abstracts of Japan, vol. 11, No. 216 (Jul. 14, 1987).

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