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:
Aug. 09, 1994
Filed:
Aug. 13, 1991
Applicant:
Inventors:
Yoshiharu Nishimoto, Iwaki, JP;
Kengo Yamazaki, Iwaki, JP;
Takashi Sato, Iwaki, JP;
Eiichi Hayashi, Gorssel, NL;
Hajime Takamoto, Niihara, JP;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428213 ; 428216 ; 428220 ; 428336 ; 428347 ; 4284752 ; 4284758 ; 4284761 ; 4284769 ; 428480 ; 428910 ;
Abstract
Disclosed herein is a biaxially oriented laminated film comprising at least a surface layer of a polyester containing not less than 88 mol. % of terephthalic acid as an acid ingredient, an intermediate layer of a polyamide having a melting point of higher than 160.degree. C. and lower than 210.degree. C. and a heat-sealing layer or a polyolefin, the thickness of the polyester layer being lower than the thickness of the polyamide layer.