Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1990-08-16
1993-03-09
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430120, 430903, G03G 9087
Patent
active
051926369
ABSTRACT:
A toner material comprises toner particles containing at least a coloring matter and a binder, said toner particle having electrically insulating properties and comprising an inside portion having a relatively high relative permittivity and a surface portion having a relatively low relative permittivity.
REFERENCES:
patent: 4873166 (1989-10-01), Senga et al.
patent: 4894310 (1990-01-01), Sakai
Handa Tsuneo
Kin Hidenori
Kunugi Masanao
Goodrow John
Seiko Epson Corporation
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