Gerhard Franz

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Marl, DE

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Patents Grantslast 30 patents

Information Patent Grant
Oxidation in the Witten-Hercules process for preparing dimethyl ter...
- Patent number 5,869,736
- Issue date Feb 9, 1999
- Huels Aktiengesellschaft
- Stefan Jelko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isomerization of N-alkenes
- Patent number 4,367,362
- Issue date Jan 4, 1983
- Chemische Werke Huels, Aktiengesellschaft
- Gerhard Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for the production of maleic anhydride
- Patent number 4,335,018
- Issue date Jun 15, 1982
- Chemische Werke Huels Aktiengesellschaft
- Gerhard Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of maleic anhydride
- Patent number 4,268,448
- Issue date May 19, 1981
- Chemische Werke Huls Aktiengesellschaft
- Gerhard Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of acetone from isobutyraldehyde
- Patent number 4,250,119
- Issue date Feb 10, 1981
- Chemische Werke Huls Aktiengesellschaft
- Helmut Scharf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of carboxylic acid esters by catalytic o...
- Patent number 4,126,748
- Issue date Nov 21, 1978
- Chemische Werke Huels, A.G.
- Bernhard Scholz
- C07 - ORGANIC CHEMISTRY