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:
Jul. 05, 2005
Filed:
Dec. 18, 2002
Kouichi Nakata, Shizuoka, JP;
Yosuke Morikawa, Kanagawa, JP;
Tatsuya Ikezue, Kanagawa, JP;
Kimihiro Yoshimura, Kanagawa, JP;
Daisuke Tanaka, Shizuoka, JP;
Kouichi Nakata, Shizuoka, JP;
Yosuke Morikawa, Kanagawa, JP;
Tatsuya Ikezue, Kanagawa, JP;
Kimihiro Yoshimura, Kanagawa, JP;
Daisuke Tanaka, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A phenolic compound having a plurality of substituted hydroxyphenyl groups and charge-transportable structure, the substituted hydroxyphenyl groups of which have a hydroxymethyl group; and a resol resin obtained by allowing a phenolic compound having hydroxyphenyl groups and charge-transportable structure, to react with formaldehyde in the presence of a basic catalyst, and having charge-transportable structure. Also disclosed are a cured product and an electrophotographic photosensitive member which make use of the above, and a process cartridge and an electrophotographic apparatus which have the electrophotographic photosensitive member.