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, 1992
Filed:
Nov. 14, 1989
Hartmut Hibst, Ludwigshafen, DE;
Arend Werner, Bad Duerkheim, DE;
Joachim Hack, Ludwigshafen, DE;
Heinrich Mannsperger, Dossenheim, DE;
Michael Hitzfeld, Gruenstadt, DE;
Werner Grau, Bobenheim-Roxheim, DE;
Guenter Heil, Ludwigshafen, DE;
Norbert Holl, Battenberg, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Disk-shaped magnetic recording media essentially consisting of a flexible substrate, a thin ferromagnetic metal film applied to one or both sides and a protective or antifriction layer present on this metal film and essentially consisting of carbon, a process for the production of these recording media and information stores containing these recording media.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile