Polymeric quaternary dye image receiving layers with overcoat

Details Polymeric quaternary dye image receiving layers with overcoat Polymeric quaternary dye image receiving layers with overcoat

1976-07-09

1978-01-31

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 3, 96 29D, 96 77, 96 84R, 96119R, 428515, G03C 700, G03C 176, G03C 140, G03C 554

Patent

active

040713660

ABSTRACT:
Improved diffusion transfer photographic products and processes wherein a distinctive image-receiving sheet comprising a plurality of layers one of which comprises a polymeric material providing quaternary nitrogen groups is integrated with an integral negative-position diffusion transfer film unit.

REFERENCES:
patent: 3227550 (1966-01-01), Whitmore et al.
patent: 3271147 (1966-09-01), Bush
patent: 3647437 (1972-03-01), Land
patent: 3706557 (1972-12-01), Arond
patent: 3709690 (1973-01-01), Cohen et al.
patent: 3756814 (1973-09-01), Bedell
patent: 3770439 (1973-11-01), Taylor

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