Electrophotographic toner

Details Electrophotographic toner Electrophotographic toner

1991-08-27

1993-07-06

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

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

430109, G03G 900

Patent

active

052253058

ABSTRACT:
An electrophotographic toner containing a specific compound as the charge control agent is described. The electrophotographic toner according to the present invention have a sharper distribution of the amount of electrification and better moisture resistance and time stability than those of a toner wherein a conventional charge control agent is used. Therefore it can provide an image having a very high gradation and has a very high capability of repeatedly forming an image. Since the charge control agent, as such, is essentially colorless, a colorant can freely be selected according to a hue required of a color toner and the toner is not detrimental to the hue inherent in a dye and a pigment.

REFERENCES:
patent: 4837394 (1989-06-01), Alexandrovich et al.
The Abstract of Japanese Patent Application Laid-Open (Kokai) No. 61-156142.
The Abstract of Japanese Patent Application Laid-Open (Kokai) No. 61-217064.
The Abstract of Japanese Patent Application Laid-Open (Kokai) No. 61-213856.
The Abstract of Japanese Patent Application Laid-Open (Kokai) No. 2-18568.

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