Photographic emulsions and elements capable of forming direct-po

Details Photographic emulsions and elements capable of forming direct-po Photographic emulsions and elements capable of forming direct-po

1980-11-10

1982-02-16

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Positive

430505, 430547, 430559, 430598, G03C 1485

Patent

active

043159869

ABSTRACT:
Silver halide emulsions are disclosed containing silver halide grains capable of forming an internal latent image. Incorporated in the emulsions is a diphenylmethane nucleating agent, thereby permitting a direct-positive image to be formed on imagewise exposure and photographic processing.

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patent: 4115122 (1978-09-01), Adachi et al.
patent: 4139387 (1979-02-01), von Konig et al.

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