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. 30, 1994
Filed:
Sep. 18, 1992
Iwao Tsurutani, Chiba, JP;
Takafumi Manabe, Sakai, JP;
Ikuo Emoto, Sakai, JP;
Isao Nagayasu, Sakai, JP;
Yoshitaka Okada, Sakai, JP;
Ube Rexene Corporation, Tokyo, JP;
Ube Industries, Ltd., Ube, JP;
Abstract
A laminated film has layer(s) A and layer(s) B.sub.1, obtained by laminating at least one layer A and at least one layer B.sub.1. The layer A comprises a resin composition comprising (a) 20-100% by weight of an amorphous polyolefin containing at least one component, in an amount of at least 50% by weight in said amorphous polyolefin, selected from the group consisting of propylene and butene-1 and (b) 80-0% by weight of a crystalline polypropylene, (B) the layer B.sub.l comprises a crystalline polypropylene. At least one of the two outermost layer is the layer B.sub.1. The laminated films can be used in various applications by themselves, but may be laminated with a polyester film, a nylon film, a stretched polypropylene film or the like to improve the mechanical strengths, gas-barrier property, printability, etc.