Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-05-26
1995-08-15
RoDee, Christopher D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430117, G03G 9135
Patent
active
054418410
ABSTRACT:
A liquid developer comprised of a liquid, thermoplastic resin particles, optional pigment, a nonpolar liquid soluble charge director comprised of an ionic or zwitterionic quaternary ammonium block copolymer, and wherein said charge director possesses a molecular weight distribution that is bimodal comprising a first AB diblock copolymer component with a number average molecular weight of from about 70,000 to about 200,000, and a second AB diblock copolymer component with a number average molecular weight of from about 2,200 to about 60,000.
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Gibson George A.
Larson James R.
Spiewak John W.
Palazzo E. O.
Rodee Christopher D.
Xerox Corporation
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