Film casting apparatus for the purification of photographic mate

Details Film casting apparatus for the purification of photographic mate Film casting apparatus for the purification of photographic mate

1970-07-27

1976-03-30

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Including means advancing continuous length work through...

425223, B29D 702

Patent

active

039471683

ABSTRACT:
A process for effectively and rapidly desalting gelatino silver halide emulsions for photographic light sensitive elements wherein a thin film of the emulsion is formed and gelled by cooling and thereafter washed with cold water.

REFERENCES:
patent: 1529813 (1925-03-01), Restein
patent: 2534629 (1950-12-01), Schultze
patent: 2624913 (1953-01-01), Montross et al.
patent: 2798004 (1957-07-01), Weigel
patent: 3396027 (1968-08-01), McFall et al.
patent: 3429957 (1969-02-01), Merten
patent: 3539426 (1970-11-01), Nakai et al.

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