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:
Dec. 06, 2011
Filed:
Aug. 03, 2006
Eiji Shirai, Wakayama, JP;
Satoshi Kunii, Wakayama, JP;
Eiji Shirai, Wakayama, JP;
Satoshi Kunii, Wakayama, JP;
Kao Corporation, Tokyo, JP;
Abstract
The present invention relates to a toner for electrophotography containing a resin binder, a colorant, and a clay-organic complex obtained by intercalating into a smectite clay a quaternary ammonium salt represented by the formula (A):[(R)(R)N].X  (A)wherein Rand Rare not identical; Ris an alkyl group, alkenyl group, or alkynyl group, each having 4 to 24 carbon atoms; Ris an alkyl group, alkenyl group, or alkynyl group, each having 1 to 10 carbon atoms; and Xis an anion. The toner for electrophotography of the present invention is suitably used for, for example, developing a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.