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:
Jun. 05, 1984
Filed:
Jun. 14, 1982
Applicant:
Inventors:
Assignee:
TDK Electronics Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
4284231 ; 360134 ; 360135 ; 360136 ; 427128 ; 427131 ; 4284237 ; 428480 ; 428694 ; 428695 ; 428900 ;
Abstract
In a magnetic recording medium having a base, a coating for magnetic recording formed on one side of the base, and a back coating of a nonmagnetic powder dispersed in a binder containing a thermosetting resin and formed on the other side, the back coating contains a fatty acid and/or a fatty ester.