Light-sensitive silver halide photographic material

Details Light-sensitive silver halide photographic material Light-sensitive silver halide photographic material

1976-01-12

1977-08-16

Brown, J. Travis

Gas separation: apparatus

Solid sorbent apparatus

Plural solid sorbent beds

G03C 114

Patent

active

040424006

ABSTRACT:
A light-sensitive silver halide photographic material spectrally sensitized with at least one compound of the formula ##STR1## and at least one compound of the formula ##STR2## wherein Q.sub.1, Q.sub.2, Q.sub.3 and Q.sub.4 are individually a non-metal atom grouping necessary to complete an unsubstituted or alkyl-, alkoxyl-, phenyl-, hydroxyl-, carboxyl- or halogen-substituted benzene ring, or a non-metal atom grouping necessary to complete a naphthalene ring; Z is a sulfur or selenium atom; n.sub.1, n.sub.2, n.sub.3 and n.sub.4 are individually 2, 3 or 4; M.sub.1 and M.sub.2 are individually a hydrogen atom, an alkali metal atom or H-Q where Q is an organic base.

REFERENCES:
patent: 3793031 (1974-02-01), Shiba et al.
patent: 3808008 (1974-04-01), Shiba et al.
patent: 3920458 (1975-11-01), Shiba et al.

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