Magenta toner for developing electrostatic image

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

Reexamination Certificate

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C430S109100

Reexamination Certificate

active

08034520

ABSTRACT:
Disclosed is a magenta toner, which contains magenta colorants composed of compound A represented by Formulas (1), (2) or (3) in an amount of mA and compound B selected from a group consisting of a mono-azo pigment, a naphthol pigment and rhodamine chelate pigment in an amount of mA, and a ratio of amount mA:mB is 90:10 to 55:45.are described in the specification.

REFERENCES:
patent: 53144741 (1978-12-01), None
patent: 62015557 (1987-01-01), None
Abstract of JP 53144741 Dec. 1978.
Abstract of JP 62015557 Jan. 1987.

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