Erich Zanders

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Elsdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Waste water purification process with batchwise supply of waste wat...
- Patent number 5,019,266
- Issue date May 28, 1991
- Forschungszentrum Juelich GmbH
- Carl-Johannes Soeder
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for waste water purification employing the activated sludge...
- Patent number 4,793,930
- Issue date Dec 27, 1988
- Kernforschungsanlage Julich Gesellschaft mit beschrankter Haftung
- Carl J. Soeder
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE