Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 1, 2008
Patent Application Number
09810956
Date Filed
March 16, 2001
Patent Primary Examiner
Patent abstract
A heat-seal polymer film and method of forming such film is provided. The heat-seal film is formed from metallocene-catalyzed isotactic random copolymers of propylene and at least one other C2 to C8 alpha olefin, such as ethylene random. Such films show improved heat-seal characteristics, such as reduced seal initiation temperatures (SIT's) and improved heat-seal strength, as well as other improved properties.
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