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.

Date of Patent:
Aug. 15, 1989

Filed:

Jul. 14, 1988
Applicant:
Inventors:

Satoshi Otonari, Machida, JP;

Yoshinori Sato, Machida, JP;

Narihiro Masuda, Yokohama, JP;

Tomoyuki Kotani, Yokohama, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4283155 ; 4283159 ; 428480 ; 428483 ; 428910 ;
Abstract

A film is disclosed, which comprises an at least uniaxially stretched finely cellulated polyester film of a high surface roughness having an apparent specific gravity in the range of 0.4 to 1.3 and an opacifying power of not less than 0.2, and a coating applied to either or both of the opposite surfaces of the polyester film. The coating applied to the minute-cellular polyester film serves the purpose of improving the adhesive property of the polyester film.


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