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:
Mar. 13, 2001
Filed:
Jun. 04, 1999
Applicant:
Inventors:
Takahiro Takasaki, Kawasaki, JP;
Noboru Yanagida, Kawasaki, JP;
Assignee:
Nippon Zeon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/093 ;
U.S. Cl.
CPC ...
G03G 9/093 ;
Abstract
A polymerized toner of core-shell structure, comprising core particles composed of colored polymer particles which contain a compound having at least one >C═N,< structure in its molecule and a colorant, and a layer of a polymer having a glass transition temperature higher than that of a polymer component making up the core particles, said polymer layer covering each of the core particles, a production process thereof, an image forming process comprising using the polymerized toner, and an image forming apparatus containing the polymerized toner.