Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1997-02-05
1998-10-27
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430126, G03G 9097
Patent
active
058276319
ABSTRACT:
A non-magnetic one-component developer comprising a binder resin, a colorant and a charge controlling agent, the binder resin being a polyester resin which has a number average molecular weight of from 2,500 to 3,500, a weight average molecular weight of from 8,000 to 15,000 and a softening point of from 110.degree. C. to 130.degree. C., and which is substantially free from an ingredient insoluble in tetrahydrofuran, and the charge controlling agent comprising a metal complex salt compound represented by the following formula (1): ##STR1## wherein M represents a metal element selected from the group consisting of zinc, iron, nickel and cobalt, and R.sup.1 and R.sup.2 each represents a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms.
REFERENCES:
patent: 5480755 (1996-01-01), Uchiyama et al.
patent: 5484678 (1996-01-01), Pickering et al.
patent: 5614348 (1997-03-01), Inoue et al.
Inoue Toyofumi
Okuno Hiroyoshi
Okuyama Hiroe
Takagi Seiichi
Torigoe Tetsu
Fuji 'Xerox Co., Ltd.
Goodrow John
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