Toner compositions with metal complex charge enhancing additives

Details Toner compositions with metal complex charge enhancing additives Toner compositions with metal complex charge enhancing additives

Filed on

1992-11-02

Date issued

1993-10-05

Examiner

Martin, Roland

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

430110, G03G 9083, G03G 9097

Type

Patent

Status

active

Patent number

052503801

Description

ABSTRACT:
A negatively charged toner composition comprised of resin particles, pigment particles, and an aluminum charge enhancing additive obtained from the reaction of an aluminum inorganic salt solution, and coumarin-3-carboxylic acid.

REFERENCES:
patent: 4206064 (1980-06-01), Kiuchi et al.
patent: 4298672 (1981-11-01), Lu
patent: 4411974 (1983-10-01), Lu et al.
patent: 4845003 (1989-07-01), Kiriu et al.

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