Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 2, 2010
Patent Application Number
11039090
Date Filed
January 19, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention concerns films having a cling layer of an elastomeric propylene-based polymer with a low heat of fusion derived from isotactic propylene type crystallinity, as determined by DSC of less than 40 J/g, optionally blended with a crystalline isotactic propylene derived polymer having a heat of fusion over 70 J/g and/or a melting point of at least 120° C. as determined by DSC, and a non-cling layer of a polyolefin. The cling layer may contain other components such as crystalline polypropylene.
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