Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1988-02-01
1989-06-06
Goodrow, John L.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430110, G03G 910
Patent
active
048371017
ABSTRACT:
A negatively charged developer composition comprised of a toner composition with an average particle diameter of from about 4 to about 9 microns containing a mixture of styrene butadiene copolymers, and styrene methacrylate copolymers; pigment particles selected from the group consisting of cyan, magenta, yellow, red, blue, green, brown, and mixtures thereof; first external additive particles of colloidal silica; second external additive particles of fatty acid metal salts; and carrier particles comprised of a ferrite core with a polymeric coating thereover, which coating has dispersed therein conductive particles.
REFERENCES:
patent: 4513074 (1985-04-01), Nash et al.
patent: 4513075 (1985-04-01), Narusawa et al.
patent: 4564573 (1986-01-01), Morita et al.
patent: 4695524 (1987-09-01), Knapp et al.
Floyd, Jr. Lawrence
Gruber Robert J.
Knapp John F.
Koch Ronald J.
Goodrow John L.
Palazzo E. O.
Xerox Corporation
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