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:
May. 08, 2001
Filed:
Jun. 15, 1999
Applicant:
Inventors:
Tohru Kobayashi, Kanagawa, JP;
Yoshimasa Matsushima, Kanagawa, JP;
Yoko Aoki, Kanagawa, JP;
Mamoru Yamada, Kanagawa, JP;
Hiroshi Sugiyama, Kanagawa, JP;
Toshimitsu Hagiwara, Kanagawa, JP;
Assignee:
Takasago International Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/06 ; C07D / ;
U.S. Cl.
CPC ...
G03G 5/06 ; C07D / ;
Abstract
Disclosed are novel compounds useful in electrophotographic photoreceptors as charge-transporting materials having good miscibility with binder polymers and capable of forming a thin stable organic film having a high concentration; and an electrophotographic photoreceptor containing the same. The compounds are bis(3,4-methylenedioxyphenylamino) derivatives represented by general formula (1):