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. 02, 1986
Filed:
Aug. 01, 1983
Applicant:
Inventors:
Seiichi Takagi, Tokyo, JP;
Yoshihiko Hyosu, Sagamihara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430109 ; 430110 ; 430137 ;
Abstract
Spherical toners with magnetic material dispersed internally of the toner particles are obtained by a process for producing toners having the step of suspension polymerization of a dispersion of a toner material containing a magnetic material, a synthetic resin monomer and a polymerization initiator dispersed in a dispersion medium which is substantially incompatible with said monomer.