Willy Van Pee

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Patents Grantslast 30 patents

Information Patent Grant
METHOD FOR PRODUCING MIXTURES CONSISTING OF DIPHENYLMETHANE DIISOCY...
- Patent number 6,576,788
- Issue date Jun 10, 2003
- BASF Aktiengesellschaft
- Ulrich Penzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of 4,4'-diphenyl-methane diisocyanate a...
- Patent number 4,294,666
- Issue date Oct 13, 1981
- BASF Aktiengesellschaft
- Hans J. Astheimer
- C07 - ORGANIC CHEMISTRY