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. 05, 1999
Filed:
Dec. 03, 1992
Applicant:
Inventors:
Kazuhiko Omata, Satte, JP;
Yasuhide Goseki, Yokohama, JP;
Hitoshi Kanda, Yokohama, JP;
Satoshi Mitsumura, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430137 ; 430110 ; 430111 ;
Abstract
In the present process for producing a toner, previous to the melt-kneading process, the binder resin particles and colorant particles are mixed and treated to application of shear, compression and impact forces to fasten, or fix, the colorant particles to the binder resin particles.