Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1998-05-28
1999-11-30
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430111, 430137, G03G 9097
Patent
active
059940166
ABSTRACT:
A color developer is described that contains a toner and a resin-coated carrier, wherein the toner contains a hydrophobic particulate titania and a charge controlling agent, and the charge controlling agent contains an aromatic hydroxycarboxylic acid metal salt having the following formula (1): ##STR1## wherein each of Q and Q' each independently represents a residual group of an aromatic hydroxycarboxylic acid optionally substituted with an alkyl group, an aralkyl group, or an alkyl group and an aralkyl group; X is a counter ion; and M is a metal. A toner is also provided that contains the above charge controlling agent.
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Aoki Mitsuo
Kuramoto Shin-ichi
Oyamaguchi Akira
Sugimoto Hiroshi
Yashiro Masakazu
Goodrow John
Ricoh & Company, Ltd.
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