Gunter Puppel

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Wulfen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for making p-xylene with a purity of more than 99.8% by weight
- Patent number 5,055,630
- Issue date Oct 8, 1991
- Krupp-Koppers GmbH
- Gunter Puppel
- C07 - ORGANIC CHEMISTRY