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. 28, 2004
Filed:
Aug. 09, 2002
Applicant:
Inventors:
Hidenori Tachi, Wakayama, JP;
Yasuyuki Tamane, Neyagawa, JP;
Koji Akiyama, Wakayama, JP;
Hiroyuki Kawaji, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 ;
U.S. Cl.
CPC ...
G03G 9/087 ;
Abstract
A toner for electrostatic image development comprising a high-softening point polyester having a softening point of 120° C. or more and 170° C. or less; a low-softening point polyester having a softening point of 80° C. or more and less than 120° C.; and a composite oxide of two or more metals, wherein the composite oxide has a BET specific surface area of 7 m /g or more. The toner is suitably used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.