Photographic recording material

Details Photographic recording material Photographic recording material

1989-11-20

1991-04-23

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430614, 430615, 430621, 430623, G03C 130, G03C 134

Patent

active

050099906

ABSTRACT:
A photographic recording material which has at least one silver halide emulsion layer containing gelatine, at least one protective layer and at least one hardening layer and in which the protective layer is further removed from the layer support than any silver halide emulsion layer and the hardening layer is further removed from the layer support than any other layer and contains an effective quantity of at least one instant hardener will have improved stability in storage under moist, warm conditions if the protective layer contains an effective quantity of at least one azaindene.

REFERENCES:
patent: 2444605 (1948-07-01), Heimbach et al.
patent: 2449225 (1948-09-01), Heimbach et al.
patent: 3244521 (1966-04-01), Dersch et al.
patent: 3573056 (1971-03-01), Baldock et al.
patent: 4063952 (1977-12-01), Himmelmann et al.
patent: 4369248 (1983-01-01), Ranz et al.
patent: 4421847 (1983-12-01), Jung et al.
patent: 4618573 (1986-10-01), Okamura et al.
patent: 4727017 (1988-02-01), Pollet et al.
James, The Theory of the Photographic Process, 4th ed. 1977, pp. 398-399.

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