Franz-Josef Menge

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Pulheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the utilization of sewage sludges
- Patent number 5,645,614
- Issue date Jul 8, 1997
- Bayer Aktiengesellschaft
- Hans-Ulrich Dummersdorf
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE