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. 25, 1984
Filed:
Dec. 10, 1981
Applicant:
Inventors:
Assignees:
TDK Electronics Co., Ltd., Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
252 6254 ; 252 6251 ; 252 6253 ; 430107 ; 430109 ; 430111 ; 430137 ; 430903 ; 430904 ;
Abstract
A magnetic toner or ink is used in an electrophotography. It comprises a resinous component and a magnetic having a spinel structure and having the formula ##EQU1## wherein M represents at least one of Mn, Ni, Co, Mg, Cu, Zn or Cd; and x is in a range of 0.5 to 1 and y is in a range of 0.1 to 0.571.
Quick Actions:
Imamura, Kenji. (1984). Magnetic toner and ink (U.S. Patent No. 4473483). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4473483
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile