Hans-Peter Frei

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Eichenau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Compact, transparent polyisocyanate polyaddition products
- Patent number 6,204,325
- Issue date Mar 20, 2001
- BASF Aktiengesellschaft
- Christian Maletzko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...