Process for deionizing and concentrating emulsions

Details Process for deionizing and concentrating emulsions Process for deionizing and concentrating emulsions

1998-01-14

1999-11-02

Lovering, Richard D.

Colloid systems and wetting agents; subcombinations thereof; pro

Continuous liquid or supercritical phase: colloid systems;...

Aqueous continuous liquid phase and discontinuous phase...

210705, 210732, 430569, 516103, 516136, 516928, B01J 1300, G03C 1025

Patent

active

059771909

ABSTRACT:
A process of washing an emulsion such as a silver halide emulsion which contains a hydrophilic colloid comprises deionizing the emulsion and coagulating the emulsion with an anionic polymer and separating the coagulum from the supernatant and resuspending the coagulum with hydrophilic colloid, water and a base.

REFERENCES:
patent: 2525753 (1950-10-01), Yutzy et al.
patent: 2565418 (1951-08-01), Yackel
patent: 2614928 (1952-10-01), Yutzy et al.
patent: 2691582 (1954-10-01), Lowe et al.
patent: 2772165 (1956-11-01), Moede
patent: 3178294 (1965-04-01), Kinkel et al.
patent: 3455694 (1969-07-01), Anderau et al.
patent: 3482980 (1969-12-01), Hayakawa et al.
patent: 3782953 (1974-01-01), Maley
patent: 3884701 (1975-05-01), DePauw et al.
patent: 4087282 (1978-05-01), Mitsui et al.
patent: 5411849 (1995-05-01), Hasegawa
patent: 5486451 (1996-01-01), Vacca et al.
patent: 5523201 (1996-06-01), Nimura et al.
patent: 5552316 (1996-09-01), Savage
patent: 5627019 (1997-05-01), Vandenabeele et al.
Research Disclosure, Dec. 1989, No. 308119, pp. 993-1015.
Encyclopedia of Chemical Technology, by Kirk-Othmer, "Ion Exchange", 4th ed., vol. 14, pp. 737-783, (1995).

Affiliated with

Also associated with

Rating

Process for deionizing and concentrating emulsions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for deionizing and concentrating emulsions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for deionizing and concentrating emulsions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2136219