Toner compositions

Details Toner compositions Toner compositions

Filed on

1990-11-05

Date issued

1993-03-16

Examiner

McCamish, Marion E.

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

430106, 430109, 430110, 430111, G03G 9083

Type

Patent

Status

active

Patent number

051943565

Description

ABSTRACT:
A colored magnetic toner composition comprised of a polymer resin or resins, an optional waxy, lubricating or low surface energy substance, a colorless or light colored magnetic material, a color pigment, dye or mixture thereof, excluding black, and a whitening agent; and wherein the surface of the toner contains a conductive metal oxide.

REFERENCES:
patent: 2986521 (1961-05-01), Weilicki
patent: 4051077 (1977-09-01), Fisher
patent: 4108653 (1978-08-01), Peters
patent: 4301228 (1981-11-01), Kori et al.
patent: 4338390 (1982-07-01), Lu
patent: 4560635 (1985-12-01), Hoffend et al.
patent: 4626487 (1986-12-01), Mitsuhashi et al.
patent: 4734350 (1988-03-01), Lin et al.
patent: 4758493 (1988-07-01), Young et al.
patent: 4803144 (1989-02-01), Hosoi
patent: 4820604 (1989-04-01), Manca et al.
patent: 4883736 (1989-11-01), Hoffend et al.
patent: 4902570 (1990-02-01), Heinemann
patent: 4904762 (1990-02-01), Chang et al.
patent: 4937167 (1990-06-01), Moffat et al.
patent: 4943507 (1990-07-01), Takehashi et al.
patent: 5021314 (1991-06-01), Vercoulen et al.

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