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. 04, 1995
Filed:
Apr. 27, 1993
Applicant:
Inventors:
Tomoyuki Kotani, Tokyo, JP;
Kazuo Endo, Yokohama, JP;
Assignee:
Diafoil Hoescht Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; G11B / ;
U.S. Cl.
CPC ...
428141 ; 428143 ; 428212 ; 428213 ; 428323 ; 428328 ; 428329 ; 428330 ; 428331 ; 4286 / ; 4286 / ; 4286 / ; 428910 ; 428335 ; 428336 ; 428480 ;
Abstract
A biaxially oriented laminated polyester film for magnetic recording media, which has excellent surface uniformity, slittability, running property and cost performance, and in which a magnetic tape produced therefrom shows a very small number of scratches and a very small amount of abrasion dust.