Application of protective polymer to processed diffusion transfe

Details Application of protective polymer to processed diffusion transfe Application of protective polymer to processed diffusion transfe

1973-12-17

1976-03-02

Klein, David

Gas separation: apparatus

Electric field separation apparatus

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

96 50PL, G03C 554, G03C 526

Patent

active

039415970

ABSTRACT:
A developed and fixed unwashed negative component of a diffusion transfer photographic film unit is protected and preserved for an extended period.

REFERENCES:
patent: 2830900 (1958-04-01), Land et al.
patent: 3345166 (1967-10-01), Land et al.
patent: 3345167 (1967-10-01), Green
patent: 3442649 (1969-05-01), Rasch et al.
patent: 3642473 (1972-02-01), Johnson
patent: 3697277 (1972-10-01), King
patent: 3697278 (1972-10-01), Harris et al.

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