Friedrich Krueger

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Edingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing N,N-dimethylamino methane diphosphonic acid
- Patent number 4,139,554
- Issue date Feb 13, 1979
- Joh. A. Benckiser GmbH
- Friedrich Krueger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing a cyclohexane-1,2,3,4-tetracarboxylic acid-con...
- Patent number 4,128,492
- Issue date Dec 5, 1978
- Joh. A. Benckiser GmbH
- Friedrich Krueger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE