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:
Feb. 14, 1989
Filed:
May. 13, 1987
Hiromi Mori, Yokohama, JP;
Satoshi Matsunaga, Tokyo, JP;
Kuniko Kobayashi, Koganei, JP;
Yoshihiko Hyosu, Machida, JP;
Eiichi Imai, Narashino, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process for preparing a toner obtained by a suspension polymerization method comprises stirring a mixture containing at least a polymerizable monomer containing 5 to 500 ppm of a polymerization inhibitor dissolved in the polymerizable monomer and a colorant; preparing a polymerizable monomer composition by adding a polymerization initiator to said mixture; stirring the prepared polymerizable monomer composition; and carrying out suspension polymerization of the polymerizable monomer composition dispersed in an aqueous medium.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile