Photographic processing composition containing polyvinyl aminimi

Details Photographic processing composition containing polyvinyl aminimi Photographic processing composition containing polyvinyl aminimi

1976-05-13

1978-03-21

Klein, David

Gas separation: apparatus

Electric field separation apparatus

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

96 3, 96 29D, 96 61R, 96 61M, 96 66R, 96 76R, 96 76C, 96 77, G03C 554, G03C 700, G03C 148, G03C 140

Patent

active

040802060

ABSTRACT:
Diffusion transfer products and processes are disclosed wherein the processing composition includes, as the viscosity increasing component thereof, a polymer containing recurring groups of the formula: ##STR1## wherein R is hydrogen, alkyl or halogen; R.sub.1 is alkyl; R.sub.2 and R.sub.3 each are alkyl, aryl or alkaryl or R.sub.2 and R.sub.3 together may comprise an alkylene group to form a heterocyclic ring with the nitrogen.

REFERENCES:
patent: 3527802 (1970-09-01), Slagel et al.
patent: 3641145 (1972-02-01), Culhertson et al.
patent: 3647437 (1972-03-01), Land
patent: 3704128 (1972-11-01), Koda et al.

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