Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1991-12-02
1994-02-22
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430106, 4301066, G03G 900, G03G 9083, G03G 9107
Patent
active
052885798
ABSTRACT:
A developer for developing electrostatic images is constituted by toner containing a binder resin and a charge controller. The charge controller comprises an arylurea compound which is an arylurea having at least one electron-attracting group or electron-donating group, or a polyarylurea including such an arylurea as a recurring unit. The arylurea compound is substantially colorless and can have stable but different levels of triboelectric chargeability depending on the substituents.
REFERENCES:
patent: 2297691 (1942-10-01), Carlson
patent: 4636451 (1987-01-01), Matkin et al.
patent: 4663263 (1987-05-01), Ikeda et al.
Patent Abstract of Japan, vol. 10, No. 290 (P-503) [2346], Oct. 2, 1986 for JPA 61-110157, published May 28, 1986.
Patent Abstracts of Japan, vol. 12, No. 203, (P-715) [3050], Jun. 11, 1988 for JPA 63-5357, published Jan. 11, 1988.
Doi Rika
Hagiwara Kazuyoshi
Takiguchi Tsuyoshi
Tanaka Katsuhiko
Canon Kabushiki Kaisha
Crossan Stephen C.
McCamish Marion E.
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