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:
Sep. 05, 2000
Filed:
Mar. 03, 1998
Atsushi Kato, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
The present invention provides a magnetic recording medium aimed at improving performance of magnetic recording medium such as videotapes, audiotapes, computer tapes, etc., including electromagnetic transducing characteristic and durability. The magnetic recording medium is coated with a magnetic coating as a dispersion of magnetic micropowder and binders in a solvent over a non-magnetic support. Polyester polyurethane resins having a certain alicyclic skeleton and containing tertiary amines or quaternary ammonium salts are used as the binders.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile