Method for the formation of photographic images

Details Method for the formation of photographic images Method for the formation of photographic images

1981-03-05

1983-06-28

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430351, 430354, 430376, 430380, 430543, 430566, 430955, G03C 524

Patent

active

043906176

ABSTRACT:
The present invention is directed towards a silver halide photographic material which has a reducing agent for silver halide or a precursor thereof and a compound M.sub.1 H.sub.m (PO.sub.n).sub.i.jH.sub.2 O which generates base when heat is applied. M is a metal from the Groups IA and IIA of the Periodic Table, 1 and i are individually integers from 1 to 3, m is an integer from 0 to 4, n is 3 or 4, and j is an integer from 0 to 12.

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patent: 3719492 (1973-03-01), Barr et al.
patent: 3761270 (1973-09-01), De Mauriac et al.
patent: 3844788 (1974-10-01), Burness et al.

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