Heat developable light sensitive material

Details Heat developable light sensitive material Heat developable light sensitive material

1977-06-27

1978-11-14

Kimlin, Edward C.

Gas separation: apparatus

Solid sorbent apparatus

With control means responsive to sensed condition

96108, 96109, 96 94R, G03C 102, G03C 128, G03C 134

Patent

active

041254031

ABSTRACT:
A heat developable light sensitive material which comprises a support having therein or in one or more layers thereon (a) an organic silver salt, (b) a light sensitive silver halide or a component capable of producing a light sensitive silver halide and (c) a reducing agent and additionally contains (d) at least one phthalazinone and (e) at least one compound selected from benzoxazinediones and quinazolinediones in a molar ratio of the amount of the component (e) to that of the component (d) smaller than about 1:1 (i.e. molar ratio (e)/(d) 1) in at least one of the layers containing components (a) to (c), in a specific layer additionally provided on the support other than the layers containing components (a) to (c), or in the support to result in the production of images of a pure black tone and in improvements in shelf-life under high humidity and the developing speed.

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patent: 3457078 (1969-07-01), Riester
patent: 3645739 (1972-02-01), Ohkubo et al.
patent: 3819379 (1974-06-01), Ohyam et al.
patent: 3951660 (1976-04-01), Haggemann et al.

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