Liquid developers containing colored polymers with a color chrom

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

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430106, 528183, 528190, 528290, 528370, G03G 908, G03G 910

Patent

active

052002900

ABSTRACT:
Disclosed is a liquid developer comprising a liquid medium, a charge control agent, a polymeric surfactant, and a colored core polymer. In one embodiment, the colored polymer is of the formula ##STR1## wherein A is selected from the group consisting of alkylene and arylene, B is selected from the group consisting of ##STR2## wherein R is selected from the group consisting of alkylene groups, arylene groups, and polyether groups, D is selected from the group consisting of dioxyalkane and dioxyarene, x is a fraction number of from about 0.01 to 1.0, and y is a fraction number of from 0 to about 0.99, with x+y being equal to 1, and n representing the number of the monomer units.

REFERENCES:
patent: 4375357 (1983-03-01), Wingard, Jr. et al.
patent: 4645727 (1987-02-01), Ong et al.
patent: 4764446 (1988-08-01), Croucher et al.
patent: 4778742 (1988-10-01), Ong et al.

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