Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 14, 2010
Patent Application Number
11698591
Date Filed
January 25, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A multilayer film and a method of making the film are disclosed. In the method a multilayer film is post-oriented uniaxially in the machine direction resulting in a film that has a water vapor transmission rate of less than 2.5 g-mil/m2-day and an oxygen transmission rate of less than 1.5 cm2-mil/m2-day. The film of this invention is ideal for applications requiring low water vapor and oxygen transmission rates.
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