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. 19, 1991
Filed:
Sep. 18, 1989
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ; G03G / ; G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430110 ; 430111 ; 430137 ;
Abstract
A magnetic toner comprising at least a binder resin, a magnetic powder and polyolefine is disclosed. The magnetic toner comprises a Wadel's globularity ranging from 0.4 to 0.8, and polyolefine comprises a content ranging from 10 to 40 weight % on a surface of the toner.