Process for the preparation of coupler dispersions

Details Process for the preparation of coupler dispersions Process for the preparation of coupler dispersions

1979-05-29

1980-11-11

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

430546, 210644, G03C 140

Patent

active

042333970

ABSTRACT:
A process for preparing a coupler dispersion comprising contacting a coupler dispersion containing an auxiliary solvent with an auxiliary solvent carrying fluid medium through a hydrophobic macroporous film made of polytetrafluroethylene or polypropylene.

REFERENCES:
patent: 2949360 (1960-08-01), Julian
patent: 3193582 (1965-07-01), Adams et al.
patent: 3769206 (1973-10-01), Brown et al.
patent: 4035291 (1977-07-01), Chiang et al.
Mears, Membrane Separation Processes, pp. 2-5, Elsevier Scientific Publishing Co. (1976).

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