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:
Apr. 07, 1987
Filed:
Dec. 24, 1984
Applicant:
Inventors:
August Lehner, Roedersheim-Gronau, DE;
Albert Kohl, Dirmstein, DE;
Hermann Roller, Ludwigshafen, DE;
Werner Balz, Limburgerhof, DE;
Eerhard Koester, Frankenthal, DE;
Friedrich Sommermann, Kehl, DE;
Assignee:
Basf Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428403 ; 252 6254 ; 427128 ; 428694 ; 428695 ; 428900 ; 428405 ; 428407 ;
Abstract
Magnetic recording media consisting of a non-magnetic base and, applied thereto, one or more firmly adhering magnetizable layers based on magnetic material finely dispersed in a polymeric binder, at least one lubricant and other conventional additives, wherein the lubricant used is a mixture of zinc stearate which has been rendered hydrophilic and stearylamide.