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. 06, 2007
Filed:
Jun. 03, 2004
Beom-jun Kim, Seongnam-si, KR;
Saburo Yokota, Suwon-si, KR;
Kyung-yol Yon, Seongnam-si, KR;
Hwan-koo Lee, Suwon-si, KR;
Seung-ju Kim, Suwon-si, KR;
Beom-jun Kim, Seongnam-si, KR;
Saburo Yokota, Suwon-si, KR;
Kyung-yol Yon, Seongnam-si, KR;
Hwan-koo Lee, Suwon-si, KR;
Seung-ju Kim, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
Naphthalenetetracarboxylic acid diimide derivatives and an electrophotographic photoconductive material containing the naphthalenetetracarboxylic acid diimide derivatives. The naphthalenetetracarboxylic acid diimide derivatives have a structure represented by the following formula: in which, Rand Rare each independently selected from the group consisting of a substituted or non-substituted C-Calkyl group; a substituted or non-substituted C-Calkoxy group; a substituted or non-substituted C-Caryl group; and a substituted or non-substituted C-Caralkyl group; and halogen. The electrophotographic photoconductive material includes the naphthalenetetracarboxylic acid diimide derivatives as an electron transferring material.