Liquid developer compositions with charge director block copolym

Details Liquid developer compositions with charge director block copolym Liquid developer compositions with charge director block copolym

Filed on

1995-08-25

Date issued

1996-11-12

Examiner

Goodrow, John

Patent Class

Radiation imagery chemistry: process, composition, or product th

SubClass

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

SubSubClass

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

Other Related Categories

430117, G03G 913

Type

Patent

Status

active

Patent number

055738826

Description

ABSTRACT:
A negatively charged liquid developer comprised of a nonpolar liquid, thermoplastic resin particles, pigment, a charge adjuvant, and a BAB polymer charge director wherein A and B represent the polar and nonpolar polymer segments, respectively.

REFERENCES:
patent: 5019477 (1991-05-01), Feider
patent: 5306591 (1994-04-01), Larson et al.
patent: 5397672 (1995-03-01), Larson et al.
patent: 5407775 (1995-04-01), Larson et al.
patent: 5411834 (1995-05-01), Fuller et al.
patent: 5484679 (1996-01-01), Spiewak et al.

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