Invention Grant
- Patent Title: Toner
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Application No.: US17223070Application Date: 2021-04-06
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Publication No.: US11698594B2Publication Date: 2023-07-11
- Inventor: Toru Takahashi , Nobuyoshi Sugahara , Hitoshi Sano , Kazunari Ooyama , Yuu Nishimura , Kohji Takenaka , Koh Ishigami
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JP 19184657 2019.10.07
- Main IPC: G03G9/087
- IPC: G03G9/087

Abstract:
A toner including a toner particle comprising a binder resin and a crystalline polyester, wherein the binder resin contains a polyester having a structure represented by the following formula (1):
in formula (1), Rs each independently represent hydrogen, a methyl group, or a phenyl group;
A represents a polyester segment;
B represents a polyester segment or any functional group selected from the group consisting of —R1OH, —R1COOH,
and —R1NH2 wherein R1 represents a single bond or a C1-4 alkylene group; and
the average repeat number n is 10 to 80.
in formula (1), Rs each independently represent hydrogen, a methyl group, or a phenyl group;
A represents a polyester segment;
B represents a polyester segment or any functional group selected from the group consisting of —R1OH, —R1COOH,
and —R1NH2 wherein R1 represents a single bond or a C1-4 alkylene group; and
the average repeat number n is 10 to 80.
Public/Granted literature
- US20210223710A1 TONER Public/Granted day:2021-07-22
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