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PPG Incustries, Inc. Patents
PPG Incustries, Inc.
Pittsburgh, PA
No. of patents:

Patent Number Title Of Patent Date Issued
5840825 Gas barrier coating compositions containing platelet-type fillers November 24, 1998
Disclosed is a gas barrier coating and multilayer packaging materials made therefrom. The gas barrier coating includes a polyamine (A), a polyepoxide (B), and a filler (C). Polyamine (A) includes at least one of the following: (a) an initial polyamine, and (b) an ungelled polyamine adduc

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