Friedrich Wirth

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Ludwigshafen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Continuous isolation of phthalic anhydride and maleic anhydride fro...
- Patent number 4,568,427
- Issue date Feb 4, 1986
- BASF Aktiengesellschaft
- Eckehard Danz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Desublimator for isolating sublimation products from reaction gases
- Patent number 4,489,775
- Issue date Dec 25, 1984
- BASF Aktiengesellschaft
- Harry Kassat
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Reactivation of vanadium-containing oxidation catalysts
- Patent number 4,411,818
- Issue date Oct 25, 1983
- BASF Aktiengesellschaft
- Peter Reuter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of phthalic anhydride
- Patent number 4,369,327
- Issue date Jan 18, 1983
- BASF Aktiengesellschaft
- Dieter Stockburger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supported catalysts containing vanadium pentoxide, titanium dioxide...
- Patent number 4,324,694
- Issue date Apr 13, 1982
- BASF Aktiengesellschaft
- Peter Reuter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supported catalyst containing vanadium and titanium and/or zirconiu...
- Patent number 4,282,116
- Issue date Aug 4, 1981
- BASF Aktiengesellschaft
- Peter Reuter
- C07 - ORGANIC CHEMISTRY