Supercritical toner processes

Details Supercritical toner processes Supercritical toner processes

1994-09-29

1997-01-07

Dote, Janis L.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Process of making developer composition

430109, 430111, G03G 908

Patent

active

055915590

ABSTRACT:
A process comprising subjecting a toner comprised of resin and pigment to a particle size reduction in an organic fluid containing from about 2 to about 60 percent of solids, which solids are comprised of resin, pigment, and optional charge additive; accomplishing supercritical extraction thereof; and isolating said toner.

REFERENCES:
patent: 3586654 (1971-06-01), Lerman et al.
patent: 3669922 (1972-06-01), Bartsch et al.
patent: 3969196 (1976-07-01), Zosel
patent: 4797339 (1989-01-01), Maruyama et al.
patent: 4983488 (1991-01-01), Tan et al.
patent: 4996127 (1991-02-01), Hasegawa et al.
patent: 5206108 (1993-04-01), Felder et al.

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