Matthias Hefner

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Erdweg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Composite elements containing polyisocyanate polyaddition products
- Patent number 7,914,880
- Issue date Mar 29, 2011
- BASF Aktiengesellschaft
- Heinz Forster
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
Composite element containing polyisocyanate polyaddition products
- Publication number 20040038042
- Publication date Feb 26, 2004
- Edmund Stadler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Composite elements containing polyisocyanate polyadditon products
- Publication number 20030148080
- Publication date Aug 7, 2003
- Heinz Forster
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Composite elements comprising polyisocyanate polyaddition products
- Publication number 20020081439
- Publication date Jun 27, 2002
- Heinz Forster
- B32 - LAYERED PRODUCTS