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:
Sep. 08, 1981
Filed:
May. 14, 1980
Applicant:
Inventors:
Seiji Arimatsu, Neyagawa, JP;
Katsukiyo Ishikawa, Neyagawa, JP;
Yasusi Umeda, Neyagawa, JP;
Koichi Nagata, Neyagawa, JP;
Assignee:
Nippon Paint Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430110 ; 430904 ; 430 99 ;
Abstract
A toner composition for electrostatic photography which comprises (A) toner powder comprising a base resin and a coloring agent and having an average particle size of not more than 30 microns and (B) silica powder coated on its surface with the base resin of the toner powder.