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:
May. 26, 1987
Filed:
Oct. 15, 1985
Applicant:
Inventors:
Albert Kohl, Laumersheim, DE;
Milena Melzer, Ludwigshafen, DE;
August Lehner, Roedersheim-Gronau, DE;
Norbert Schneider, Altrip, DE;
Eberhard Koester, Frankenthal, DE;
Werner Balz, Limburgerhof, DE;
Friedrich Sommermann, Kehl, DE;
Ernst Ricker, Willstaett, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
4284111 ; 252 6254 ; 427128 ; 428522 ; 428694 ; 428695 ; 428900 ;
Abstract
In magnetic recording media consisting of a non-magnetic base and, bonded on top of this, one or more magnetizable layers based on magnetic material finely dispersed in a polymer binder, a lubricant and further conventional additives, the lubricant used is a triethanolamine esterified with oleic acid.