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. 30, 1995
Filed:
Feb. 18, 1994
Applicant:
Inventors:
Hermann Roller, Ludwigshafen, DE;
Peter Heilmann, Bad Duerkheim, DE;
Michael Hitzfeld, Gruenstadt, DE;
Dieter Stockburger, Gruenstadt, DE;
Werner Latzel, Mutterstadt, DE;
Reinhold Baur, Ortenberg, DE;
Peter Engelhardt, Plankstadt, DE;
Edwin Rothfuss, Hohberg, DE;
Werner Grau, Bobenheim-Roxheim, DE;
Werner Lenz, Bad Durkheim, DE;
Assignee:
BASF Magnetics GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428327 ; 428328 ; 428329 ; 428330 ; 428331 ; 428336 ; 428402 ; 4286 / ;
Abstract
Flexible magnetic recording media consisting essentially of a web-like nonmagnetic substrate, a magnetic layer applied to one main side of the web-like substrate and a backing layer formed on the opposite main side of the substrate from a polymeric binder, at least one filler, at least one auxiliary pigment and a polyolefin having a spherical particle shape.