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:
Sep. 01, 2015

Filed:

Sep. 29, 2008
Applicant:

Mark S. Lee, North Kingstown, RI (US);

Inventor:

Mark S. Lee, North Kingstown, RI (US);

Assignee:

TORAY PLASTICS (AMERICA), INC., N. Kingstown, RI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/00 (2006.01); B32B 33/00 (2006.01); B29C 47/00 (2006.01); B32B 27/16 (2006.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 15/085 (2006.01); B29C 47/06 (2006.01); B29K 21/00 (2006.01); B29K 23/00 (2006.01); B29K 105/00 (2006.01); B32B 37/15 (2006.01); B32B 38/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/16 (2013.01); B32B 15/085 (2013.01); B32B 27/08 (2013.01); B32B 27/32 (2013.01); B32B 27/327 (2013.01); B29C 47/0021 (2013.01); B29C 47/06 (2013.01); B29K 2021/00 (2013.01); B29K 2023/06 (2013.01); B29K 2023/12 (2013.01); B29K 2105/256 (2013.01); B32B 37/153 (2013.01); B32B 38/0008 (2013.01); B32B 2038/0028 (2013.01); B32B 2038/0092 (2013.01); B32B 2270/00 (2013.01); B32B 2274/00 (2013.01); B32B 2307/518 (2013.01); B32B 2310/14 (2013.01); B32B 2553/00 (2013.01); Y10T 428/265 (2015.01); Y10T 428/2826 (2015.01);
Abstract

A laminate film including a first polyolefin heat sealable resin layer and a second core layer including of a blend of 5-15 wt % of a metallocene-catalyzed butene-propylene or ethylene-propylene thermoplastic elastomer or ethylene-propylene plastomer or blends thereof which exhibit an isothermal crystallization temperature of 60° C. or less and 95-85 wt % of a crystalline propylene homopolymer is disclosed. The laminate film may include additional layers such as a third polyolefin resin-containing layer disposed on the side of the core layer opposite the heat sealable layer, a metal layer, or combinations thereof.


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