Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1996-03-22
1997-10-21
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...
430904, G03G 9097
Patent
active
056794894
ABSTRACT:
The present invention provides an electrophotographic toner free of metal such as chromium. A novel electrostatic image developing toner is provided, comprising as a charge-controlling agent one or more selected from the group consisting of compounds represented by formulae (I) and (II): ##STR1## wherein A, B and R are as defined in the specification.
REFERENCES:
patent: 3853778 (1974-12-01), Buckley et al.
patent: 4314013 (1982-02-01), Chang
patent: 5318883 (1994-06-01), Yamanaka et al.
Patent Abstracts of Japan, vol. 17, No. 107 (P-1496), Mar. 4, 1993, JP-A-04-295 862, Oct. 20, 1992.
Patent Abstracts of Japan, vol. 17, No. 485 (P-1605), Sep. 2, 1993 & JP-A-05 119 534, May 18, 1993.
Iwasa Keiko
Matsuura Yuuji
Mukudai Osamu
Niimura Isao
Watanabe Kayoko
Hodogaya Chemical Co. Ltd.
Rodee Christopher D.
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