Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
David E. Fish0
Michael J. Dougherty0
Amar N. Neogi0
Dwayne M. Shearer0
Date of Patent
November 18, 2008
0Patent Application Number
111585500
Date Filed
June 21, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The barrier properties of a water soluble gas barrier material are improved if the material is blended with a nanoparticle calcium carbonate having a size of from 10 to 250 nanometers. The barrier material is on a substrate to provide a substrate with gas barrier properties. A layer of heat sealable material may be applied to the exposed surface of the barrier material. A method for making the barrier coated substrate is disclosed.
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