Title:
Toner
Document Type and Number:
Japanese Patent JP6129026
Kind Code:
B2
Abstract:
The present invention provides a toner excellent in light resistance. The toner includes toner base particles, each of which contains a binder resin, a wax and a coloring agent, and a coloring matter compound represented by the general formula (1) is contained as the coloring agent.
wherein R 1 , R 2 and R 6 each independently represent an alkyl group, R 3 to R 5 each independently represent an alkyl group, or satisfy either of the following conditions i) and ii):
i) R 3 and R 4 are bonded to each other, so as to form a cyclic organic functional group containing R 3 , R 4 and a carbon atom bonded simultaneously to R 3 and R 4 , and R 5 represents an alkyl group; and
ii) R 3 to R 5 are bonded to one another, so as to form a cyclic organic functional group containing R 3 , R 4 , R 5 and a carbon atom bonded simultaneously to R 3 to R 5 ; and
R 7 and R 8 each independently represent an alkyl group or an acyl group, or R 7 and R 8 are bonded to each other, so as to form a cyclic organic functional group containing R 7 , R 8 and a nitrogen atom bonded simultaneously to R 7 and R 8 .
Inventors:
Taichi Shindo
Akio Kitao
Senshin Yuko
Akio Kitao
Senshin Yuko
Application Number:
JP2013177450A
Publication Date:
May 17, 2017
Filing Date:
August 29, 2013
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G9/09; G03G9/08
Domestic Patent References:
| JP2003195570A | ||||
| JP7502545A | ||||
| JP10508047A | ||||
| JP9506918A |
Attorney, Agent or Firm:
Keisuke Watanabe
Yoshihiro Yamaguchi
Yoshihiro Yamaguchi
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