Kurt Handrick

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Patents Grantslast 30 patents

Information Patent Grant
Processes for the continuous production of aromatic carboxylic acid...
- Patent number 3,979,448
- Issue date Sep 7, 1976
- Bergwerksverband GmbH
- Kurt Handrick
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of crude trimellitic anhydride
- Patent number 3,948,956
- Issue date Apr 6, 1976
- Bergwerksverband GmbH
- Kurt Handrick
- C07 - ORGANIC CHEMISTRY