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Gerhard Opelka
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Leverkusen, DE
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Patents Grants
last 30 patents
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Patent Grant
Molded plastic article comprising a barrier film
Patent number
6,630,216
Issue date
Oct 7, 2003
Bayer Aktiengesellschaft
Dirk Pophusen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Photovoltaic modules with a thermoplastic hot-melt adhesive layer a...
Publication number
20070131274
Publication date
Jun 14, 2007
Gunther Stollwerck
B32 - LAYERED PRODUCTS
Information
Patent Application
Solar thermal collector
Publication number
20060130827
Publication date
Jun 22, 2006
Bayer MaterialScience AG
Gerhard Opelka
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Metallized plastic molded part
Publication number
20040217691
Publication date
Nov 4, 2004
Gerhard Opelka
B32 - LAYERED PRODUCTS
Information
Patent Application
Photovoltaic modules with a thermoplastic hot-melt adhesive layer a...
Publication number
20030075210
Publication date
Apr 24, 2003
Gunther Stollwerck
B32 - LAYERED PRODUCTS
Information
Patent Application
Molded plastic article comprising a barrier film
Publication number
20020071953
Publication date
Jun 13, 2002
Dirk Pophusen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL