Stabilization of developed photographic images

Details Stabilization of developed photographic images Stabilization of developed photographic images

1975-11-04

1976-09-21

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 61R, 96 95, G03C 526, G03C 538, G03C 106

Patent

active

039817318

ABSTRACT:
Photographic images are produced by imagewise exposure, development and stabilization in which development is carried out in the presence of an .alpha.,.alpha.'-[2,5-dimercapto-1,2,4-triazolyl-4-imino] -p-xylene compound which improves the stability of the silver image in extreme climatic conditions.

REFERENCES:
patent: 3623872 (1971-11-01), Berthold et al.
patent: 3647451 (1972-03-01), von Konig
patent: 3718468 (1973-02-01), Berthold et al.

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