Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1985-01-25
1986-11-18
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, 430137, G03G 908
Patent
active
046236040
ABSTRACT:
Toner for developing electrostatically charged images comprising nuclear particles formed by polymerization, hydrophobic silica, and a resin, wherein said resin is coated on said nuclear particles and said silica is dispersed in said resin. A method for producing said toner is also disclosed, said method comprising polymerizing nuclear particles, dissolving a resin in a solvent, which asserts a lesser solvating action against said nuclear particles than against said resin, to form a solution, dispersing said hydrophobic silica in said solution, mixing said nuclear particles with said dispersion, and drying said mixture.
REFERENCES:
patent: 3720617 (1973-03-01), Chatterji et al.
patent: 4016099 (1977-04-01), Wellman et al.
patent: 4077804 (1978-03-01), Vanzo
patent: 4288517 (1981-09-01), Arimatsu et al.
Hyosu Yoshihiko
Ishida Tetsumasa
Miyahara Sadayasu
Takagiwa Hiroyuki
Thuzita Kenzi
Bierman Jordan B.
Goodrow John L.
Konishiroku Photo Industry Co,., Ltd.
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