Wilhelm Groth

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Bonn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Silica gel of improved properties and process of making same
- Patent number 4,148,864
- Issue date Apr 10, 1979
- Mittex Aktiengesellschaft
- Wilhelm Groth
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and system for recovering water from the atmosphere
- Patent number 4,146,372
- Issue date Mar 27, 1979
- Mittex Aktiengesellschaft
- Wilhelm Groth
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE