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:
Jul. 02, 1996
Filed:
Oct. 25, 1994
Applicant:
Inventors:
Narihiro Masuda, Nagahama, JP;
Chikakazu Kawaguchi, Nagahama, JP;
Assignee:
Diafoil Hoechst Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428216 ; 428323 ; 428336 ; 428480 ; 4286 / ; 4286 / ; 428900 ;
Abstract
The disclosure describes a high-density magnetic recording medium comprising a biaxially oriented, laminated polyester film which is coextruded, so that a polyester A layer subject to plastic deformation by calendering treatment forms one of the surfaces of a base film, and
Masuda, Narihiro. (1996). Magnetic recording medium having a calendered polyester layer with a (U.S. Patent No. 5532049). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5532049
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile