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:
Jan. 28, 1986
Filed:
Jul. 20, 1983
Applicant:
Inventors:
August Lehner, Roedersheim-Gronau, DE;
Milan Velic, Ludwigshafen, DE;
Helmut Kopke, Weisenheim, DE;
Werner Balz, Limburgerhof, DE;
Werner Lenz, Bad Durkheim, DE;
Reinhold Baur, Offenburg, DE;
Milena Melzer, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
4284259 ; 252 6254 ; 360134 ; 360135 ; 360136 ; 427128 ; 428522 ; 428524 ; 428532 ; 428694 ; 428900 ;
Abstract
Magnetic recording media comprising a non-magnetic base which is provided with a magnetic layer which consists essentially of a dispersion of an anisotropic magnetic material in a mixture of an OH-containing polyurea-urethane binder, which is crosslinked with a polyisocyanate, with a physically drying binder.