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. 29, 2014
Filed:
Sep. 01, 2011
Ikuo Kimura, Tsukuba, JP;
Motonori Tsuji, Tsukuba, JP;
Masami Ito, Tsukuba, JP;
Masaya Tojo, Tsukuba, JP;
Kanae Hiraishi, Tsukuba, JP;
Ikuo Kimura, Tsukuba, JP;
Motonori Tsuji, Tsukuba, JP;
Masami Ito, Tsukuba, JP;
Masaya Tojo, Tsukuba, JP;
Kanae Hiraishi, Tsukuba, JP;
Hodogaya Chemical Co., Ltd, Tokyo, JP;
Abstract
The present invention provides a charge control agent containing, as an active substance(s), one or two or more thiazolidinedione derivatives represented by the following formula (1), where Rrepresents a hydrogen atom, etc.; Rrepresents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms which may have a substituent, etc.; Rto R, which may be identical to or different from each other, represent a hydrogen atom, a chlorine atom, a linear or branched alkyl group having 1 to 8 carbon atoms which may have a substituent, etc., and may be joined to each other to form a ring; and V, W, X, Y and Z represent a carbon atom or a nitrogen atom, and 0 to 3 of any of V, W, X, Y and Z are nitrogen atoms which do not have the substituents of Rto R.