The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 2017
Filed:
Jun. 02, 2016
Kyocera Document Solutions Inc., Osaka, JP;
Hiroki Tsurumi, Osaka, JP;
Eiichi Miyamoto, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
In a positively chargeable single-layer electrophotographic photosensitive member, a photosensitive layer contains at least a hole transport material, and particles of a first resin. A compound represented by general formula (1) is contained as the hole transport material. In the general formula (1), Rrepresents an alkyl group having a carbon number of at least 2 and no greater than 4. R, R, R, R, and Reach represent, independently of one another, a hydrogen atom or an alkyl group having a carbon number of at least 1 and no greater than 4. Arand Areach represent, independently of each other, a hydrogen atom or an optionally substituted aryl group having a carbon number of at least 6 and no greater than 20. At least one of Arand Arrepresents an optionally substituted aryl group having a carbon number of at least 6 and no greater than 20.