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Frank Wiedemann
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Troisdorf, DE
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last 30 patents
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Patent Grant
Polyvinyl acetal-containing film
Patent number
7,985,465
Issue date
Jul 26, 2011
Kuraray Europe GmbH
Frank Wiedemann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Polyvinyl acetal-containing film with improved uniformity of length...
Publication number
20070148419
Publication date
Jun 28, 2007
Frank Wiedemann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL