Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1996-06-27
1997-06-10
Martin, Ronald
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430108, 430110, 430111, G03G 9097, G03G 9107, G03G 9113
Patent
active
056374313
ABSTRACT:
Disclosed is a developer for electrophotography, comprising a carrier and toner particles, wherein
said carrier comprises a magnetic particle having thereon a resin coated layer, said magnetic particle including Fe.sub.2 O.sub.3 and an oxide compound of at least one kind of a light metal selected from the group consisting of lithium, beryllium, sodium, magnesium, potassium, calcium and rubidium, and
wherein said toner particles have a compound represented by Formula (1), wherein an amount (g) of the compound on the surface (m.sup.2) of said toner particles, is 3.0.times.10.sup.-3 to 1.2.times.10.sup.-2 g/m.sup.2. : ##STR1## wherein, R.sup.1 through R.sup.4 independently represents an alkyl group having a carbon atom number of 1 to 18 or a benzyl group, A.sup.- represents an anion, provided that at least one of R.sup.1 through R.sup.4 represents an alkyl group having a carbon atom number of 8 to 18.
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Marukawa Yuji
Oshiba Tomomi
Yamane Kenji
Bierman Jordan B.
Konica Corporation
Martin Ronald
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