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:
Nov. 11, 2008
Filed:
Dec. 10, 2002
Ryuzo Ueno, Nishinomiya, JP;
Masaya Kitayama, Takarazuka, JP;
Kenji Minami, Sennan, JP;
Hiroyuki Wakamori, Hikami-gun, JP;
Nobuhiro Yonetani, Nishinomiya, JP;
Ryuzo Ueno, Nishinomiya, JP;
Masaya Kitayama, Takarazuka, JP;
Kenji Minami, Sennan, JP;
Hiroyuki Wakamori, Hikami-gun, JP;
Nobuhiro Yonetani, Nishinomiya, JP;
Ueno Fine Chemicals Industry, Ltd., Osaka-Fu, JP;
Abstract
The present invention provides a novel naphthol derivative represented by the following general formula (I). The novel naphthol derivative of the present invention is useful as a positively electrifiable charge control agent. The present invention further provides an electrophotographic toner comprising a charge control agent comprising the novel naphthol derivative represented by formula (I).