Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1992-02-26
1993-11-30
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430137, G03G 9087
Patent
active
052664325
ABSTRACT:
The present invention is directed to a toner composition containing a polyester resin as a major component of a binder resin and 0.01 to 1.5 parts by weight of hydrophobic silica having a degree of hydrophobic property of not less than 80, and/or having a pH value of 5.5 to 8 when 4% by weight of hydrophobic silica is dispersed in water-methanol solution (1:1) to 100 parts by weight of the toner.
REFERENCES:
patent: 4804622 (1989-02-01), Tanaka et al.
patent: 4977054 (1990-12-01), Honjo et al.
Hayashi Norihiro
Kawabe Kuniyasu
Morimoto Eiji
Goodrow John
Kao Corporation
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