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. 20, 1976
Filed:
Dec. 15, 1971
Applicant:
Inventor:
Josef Matkan, Malvern, AU;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
252 / ; 260267 ;
Abstract
This invention relates to a toner for electrostatic image and for liquid development thereof. According to this invention, the inventive toner eliminates the need for a control agent in the form of a coating on the toner particles by the chemical combination of a reactive material with a reactive coloring material.