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:
Dec. 24, 1985
Filed:
Sep. 10, 1984
Applicant:
Inventors:
Guenter Heil, Ludwigshafen, DE;
Werner Lenz, Bad Durkheim, DE;
Jenoe Kovacs, Hessheim, DE;
Werner Grau, Bobenheim-Roxheim, DE;
Werner Balz, Limburgerhof, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
20415914 ; 20415915 ; 20415916 ; 20415919 ; 20415922 ; 428402 ; 428413 ; 4284231 ; 4284237 ; 4284259 ; 428480 ; 428692 ; 428694 ; 428900 ; 428928 ;
Abstract
Magnetic recording media comprise a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said matrix being obtained by electron beam curing of a mixture of from 70 to 90% by weight of a polyurethane acrylate polymer possessing polymerizable double bonds and from 10 to 30% by weight of one or more copolymerizable compounds.