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:
Apr. 25, 1989
Filed:
Apr. 08, 1987
Applicant:
Inventor:
Takeshi Mikami, Fujinomiya, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430110 ; 430903 ; 430138 ; 428407 ;
Abstract
A toner particle for electrostatography or magnetography which has an inorganic material such as a specific metallic oxide, a carbonate or a silicate in or on its surface. This inorganic material is in the form of particles and has been treated with a titanate coupling agent on its surface.