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:
Jan. 10, 1995
Filed:
Mar. 15, 1993
Applicant:
Inventors:
Hiroki Totsuka, Shizuoka, JP;
Hirono Takeuchi, Shizuoka, JP;
Assignee:
Tomoegawa Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430106 ; 430110 ;
Abstract
The present invention provides a positive chargeable color toner wherein to the surfaces of coloring particles comprising binding resin, coloring agent and charge control agent as the main ingredients, is fixed a positive chargeable compound in the amount of 0.1.about.10.0 parts by weight per 100 parts by weight of the coloring particles.