Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1992-09-18
1995-05-23
Rosasco, S.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430110, 430137, 430904, G03G 900
Patent
active
054181038
ABSTRACT:
A toner prepared by allowing finely-divided particles of a vinyl resin having an alkali-reactive group to react with a fluorine-containing quaternary ammonium salt to obtain surface-modified finely-divided particles; mixing the surface-modified finely-divided particles and core particles composed of a resin and a coloring agent; and filming the above core particles with the finely-divided particles of the surface-modified vinyl resin with application of mechanical energy thereto.
REFERENCES:
patent: 5168028 (1992-12-01), Nanya et al.
patent: 5206109 (1993-04-01), Anno
patent: 5215851 (1993-06-01), Tomita et al.
Fushimi Hiroyuki
Harpur Ian
Kotsugai Akihiro
Muto Kenkichi
Watanabe Yoichiro
Ricoh & Company, Ltd.
Rosasco S.
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