Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1986-09-04
1989-01-10
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...
430115, 430119, G03G 1310
Patent
active
047973412
ABSTRACT:
This invention relates to a liquid developer for electrophotography comprising toner particles dispersed in a highly insulative aliphatic hydrocarbon and/or halogenated hydrocarbon carrier liquid having a low dielectric constant, said toner particles having two particle size distributions of a mean small particle size in the range of 0.01 .mu.m to 1 .mu.m and a mean large particle size in the range of 2 .mu.m to 30 .mu.m, characterized in that said large toner particles in the range of 2 .mu.m to 30 .mu.m are prepared by using polytetrafluoroethylene as the main binder resin.
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patent: 4032463 (1977-06-01), Kawanishi et al.
patent: 4147812 (1979-04-01), DeVolder et al.
patent: 4284701 (1981-08-01), Abbott et al.
patent: 4618558 (1986-10-01), Kuramoto et al.
Goodrow John L.
Ricoh Co. Ltd.
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