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. 17, 2007
Filed:
May. 16, 2002
Applicants:
Hidenori Tachi, Wakayama, JP;
Shinji Moriyama, Wakayama, JP;
Yoshihiro Fukushima, Wakayama, JP;
Yasuyuki Tamane, Neyagawa, JP;
Inventors:
Hidenori Tachi, Wakayama, JP;
Shinji Moriyama, Wakayama, JP;
Yoshihiro Fukushima, Wakayama, JP;
Yasuyuki Tamane, Neyagawa, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A toner comprising a resin binder, a black colorant comprising a composite oxide of two or more metals, and a charge control agent comprising a quaternary ammonium salt. The toner is suitably used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.