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. 20, 2001
Filed:
May. 12, 1998
Applicant:
Inventors:
Noriaki Takahashi, Yokohama, JP;
Osamu Ando, Yokohama, JP;
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 ; G03G 9/087 ;
U.S. Cl.
CPC ...
G03G 9/097 ; G03G 9/087 ;
Abstract
The present invention is directed to an electrostatic image-developing toner which is used for an electronograph and the like. The toner comprises at least core particles and fine particles being present on the surfaces of the core particles and has a mean particle size of 0.01-1 &mgr;m. The fine particles are polymer of a monomer and contain charge-controlling agent which is soluble in the monomer before polymerization.