Volker Weintritt

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Marne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for recovering polysocyanates from the distillation residue...
- Patent number 5,314,588
- Issue date May 24, 1994
- Bayer Aktiengesellschaft
- Uwe J. Zarnack
- C07 - ORGANIC CHEMISTRY