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:
Mar. 05, 1996
Filed:
May. 26, 1994
Applicant:
Inventors:
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428198 ; 428201 ; 428206 ; 428323 ; 428336 ; 428407 ; 428458 ; 4286 / ; 4286 / ; 428910 ;
Abstract
A polyester film for magnetic recording media, a process for preparation thereof and a magnetic recording medium comprising the film having formed on the surface of a ferromagnetic metallic thin membrane, said polyester film being one wherein on the surface of one side or both sides of the film,