Friedrich Krueger

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Patents Grantslast 30 patents

Information Patent Grant
N-acyl-1-amino alkane-1,1-diphosphonic acid compounds and compositi...
- Patent number 4,094,782
- Issue date Jun 13, 1978
- Joh. A. Benckiser
- Friedrich Krueger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,4-Bis-formyl cyclohexane polycarboxylic acids, process of making...
- Patent number 4,043,930
- Issue date Aug 23, 1977
- Joh. A. Benckiser GmbH
- Friedrich Krueger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Monophosphoric acid esters of hydroxy alkyl urea compounds
- Patent number 4,041,110
- Issue date Aug 9, 1977
- Joh. A. Benckiser GmbH
- Friedrich Krueger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-acyl-1-amino alkane-1,1-diphosphonic acid compounds, process of m...
- Patent number 4,029,697
- Issue date Jun 14, 1977
- Joh. A. Benckiser GmbH
- Friedrich Krueger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing crystalline nitrilo tris-(methylene phosphonic...
- Patent number 4,009,204
- Issue date Feb 22, 1977
- Joh. A. Benckiser GmbH
- Friedrich Krueger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing amino methylene phosphonic acids
- Patent number 3,959,361
- Issue date May 25, 1976
- Joh. A. Benckiser GmbH
- Friedrich Krueger
- C07 - ORGANIC CHEMISTRY