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. 19, 1996
Filed:
Dec. 19, 1994
Emanuele Burgin, Bologna, IT;
Giacinto Serrao, Milan, IT;
Montell North America Inc., Wilmington, DE (US);
Abstract
Disclosed are composite films including: A) a single- or multilayer bioriented film, where the single layer or at least one layer of the bioriented film is propylene crystalline homopolymer; and B) a single- or multilayer cast film, wherein the single layer or at least one layer of said cast film is a layer of a composition including: I) propylene crystalline homopolymer, or a crystalline copolymer of propylene with ethylene and/or a C.sub.4 -C.sub.8 .alpha.-olefin; II) a copolymer fraction containing propylene and ethylene, insoluble in xylene at ambient temperature; III) a copolymer of ethylene with propylene and/or a C.sub.4 -C.sub.8 .alpha.-olefin and soluble in xylene at ambient temperature.