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:
Aug. 30, 2005
Filed:
Dec. 04, 2002
Applicants:
Takashi Kubo, Wakayama, JP;
Katsutoshi Aoki, Wakayama, JP;
Eiji Shirai, Wakayama, JP;
Masayuki Maruta, Wakayama, JP;
Inventors:
Takashi Kubo, Wakayama, JP;
Katsutoshi Aoki, Wakayama, JP;
Eiji Shirai, Wakayama, JP;
Masayuki Maruta, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G009/00 ;
U.S. Cl.
CPC ...
Abstract
A catalyst for preparing a polyester for a toner, comprising an inorganic tin(II) compound; a polyester resin composition comprising a polyester and the catalyst; and a toner comprising the polyester resin composition. The catalyst for preparing a polyester is suitably used for a toner which is used for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing method, and the like.