Helmut Hartenstein

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Ruelzheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Granulated composition comprising a polymer phosphate and an alkali...
- Patent number 4,288,340
- Issue date Sep 8, 1981
- Joh. A. Benckiser GmbH
- Juergen Dankworth
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Granulated composition comprising a polymer phosphate and an alkali...
- Patent number 4,171,277
- Issue date Oct 16, 1979
- Joh. A. Benckiser GmbH
- Juergen Dankworth
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE