Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1988-03-11
1990-05-15
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...
430107, 430137, G03G 908
Patent
active
049257633
ABSTRACT:
A developer for electrophotography is disclosed, which comprises toner particles containing therein at least an ionomer resin, which toner particles may comprise a colorant which is prepared by a flushing method by using a pigment component and an ionomer resin, when necessary, with addition thereto a humic acid component selected from the group consisting of humic acid, a salt of humic acid, and a humic acid derivative.
REFERENCES:
patent: 3264272 (1966-08-01), Rees
patent: 4075391 (1978-08-01), Berg et al.
patent: 4780389 (1988-10-01), El-Sayed
patent: 4794066 (1988-12-01), Taggi et al.
Kuramoto Shin-ichi
Sakai Kiyoshi
Tsubuko Kazuo
Goodrow John L.
Ricoh & Company, Ltd.
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