Silver halide photographic materials

Details Silver halide photographic materials Silver halide photographic materials

1985-03-15

1986-10-21

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430584, 430626, 430521, 430570, 430603, 430604, 430605, 430599, G03C 140, G03C 130, G03C 102

Patent

active

046185704

ABSTRACT:
A silver halide photographic material having at least one layer of silver halide emulsion layers containing a silver halide having a silver chloride content of not less than 25 molar %, characterized in that at least one of said silver halide emulsion layers contains a silver halide sensitized with a compound having the following formula (Ia), and/or a compound having the following formula (Ib) and is hardened with a compound having the following formula (II) and/or a compound having the formula (III); ##STR1## in the above formulae (Ia), (Ib), (II) and (III), R.sub.1 to R.sub.20, Z.sub.1 and Z.sub.2, n.sub.1 and n.sub.2, Q and Q', L, p and q are defined in the specification.
The photographic material of the invention not only shows a higher sensitivity, a lower infrared sensor fogging, a superior sharpness or color reproductivity and a superior whiteness but also exerts a good storage property with time or a lower change in sensitivity after storage.

REFERENCES:
patent: 2865752 (1958-12-01), Saunders et al.
patent: 3325287 (1967-06-01), Yamamoto et al.
patent: 3575704 (1971-04-01), Salesin
patent: 3615644 (1971-10-01), Gotze et al.
patent: 3701664 (1972-10-01), Piller et al.
patent: 3881933 (1975-05-01), Kumai et al.

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