Liquid developer compositions with block copolymers

Details Liquid developer compositions with block copolymers Liquid developer compositions with block copolymers

1994-01-24

1995-04-18

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

430 49, G03G 9135

Patent

active

054077753

ABSTRACT:
A liquid developer comprised of a liquid, thermoplastic resin particles, a nonpolar liquid soluble charge director comprised of a zwitterionic quaternary ammonium block copolymer wherein both cationic and anionic sites contained therein are covalently bonded within the same polar repeat unit in the quaternary ammonium block copolymer.

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patent: 4707429 (1987-11-01), Trout
patent: 4760009 (1988-07-01), Larson
patent: 5019477 (1991-05-01), Felder
patent: 5026621 (1991-06-01), Tsubuko et al.
patent: 5030535 (1991-07-01), Drappel et al.
patent: 5035972 (1991-07-01), El-Sayed et al.
patent: 5069995 (1991-12-01), Swidler
patent: 5106717 (1992-04-01), Houle et al.
patent: 5130221 (1992-07-01), El-Sayed et al.
patent: 5290653 (1994-03-01), Pearlstine

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