Siegfried Marquardt

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Bobenheim-Roxheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Utilization of soot from synthesis gas production in sewage treatment
- Patent number 5,073,271
- Issue date Dec 17, 1991
- BASF Aktiengesellschaft
- Bruno Sander
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Cleaning and disposal of carbon black and ash containing wastewaters
- Patent number 4,828,715
- Issue date May 9, 1989
- BASF Aktiengesellschaft
- Bruno Sander
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment and disposal of wastewaters containing carbon black and ash
- Patent number 4,728,437
- Issue date Mar 1, 1988
- BASF Aktiengesellschaft
- Hans Gettert
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Manufacture of supported silver catalysts
- Patent number 4,126,582
- Issue date Nov 21, 1978
- BASF Aktiengesellschaft
- Hans Diem
- C07 - ORGANIC CHEMISTRY