Invention Grant
- Patent Title: Terphenyl compound, electrophotographic photosensitive member, and method for producing terphenyl compound
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Application No.: US16632197Application Date: 2018-07-17
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Publication No.: US11067909B2Publication Date: 2021-07-20
- Inventor: Jun Azuma , Kensuke Kojima , Tomofumi Shimizu , Hideki Okada
- Applicant: KYOCERA Document Solutions Inc.
- Applicant Address: JP Osaka
- Assignee: KYOCERA Document Solutions Inc.
- Current Assignee: KYOCERA Document Solutions Inc.
- Current Assignee Address: JP Osaka
- Agency: Studebaker & Brackett PC
- Priority: JPJP2017-141457 20170721
- International Application: PCT/JP2018/026722 WO 20180717
- International Announcement: WO2019/017336 WO 20190124
- Main IPC: G03G5/06
- IPC: G03G5/06 ; G03G5/05 ; C07C209/06 ; C07C211/54 ; G03G5/047

Abstract:
A compound is represented by general formula (1). In general formula (1), R1 and R2 each represent, independently of one another, a hydrogen atom, a methyl group, or an ethyl group, and a sum of the number of carbon atoms of the chemical group represented by R1 and the number of carbon atoms of the chemical group represented by R2 is 2. R3 and R4 each represent, independently of one another, a hydrogen atom, a methyl group, or an ethyl group, and a sum of the number of carbon atoms of the chemical group represented by R3 and the number of carbon atoms of the chemical group represented by R1 is 2. A photosensitive layer of an electrophotographic photosensitive member contains at least a charge generating material, a hole transport material, and a binder resin. The hole transport material includes a compound represented by general formula (1)
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