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:
Mar. 08, 2005
Filed:
Sep. 27, 2002
Applicants:
Eiji Shirai, Wakayama, JP;
Masayuki Maruta, Wakayama, JP;
Katsutoshi Aoki, Wakayama, JP;
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G009/087 ;
U.S. Cl.
CPC ...
Abstract
A toner comprising a resin binder comprising a crystalline resin; a colorant; and fine inorganic particles, the fine inorganic particles being externally added thereto, wherein a coating ratio of the fine inorganic particles on a surface of the toner is 130 to 300%. The toner can be suitably used for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing method and the like.