Rudolf Schumann

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Raguhn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for decreasing the sulfur content of phosphorous
- Patent number 5,310,530
- Issue date May 10, 1994
- Chemie AG Bitterfeld-Wolfen
- Arndt Zschalich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the removal of sulfur from phosphorus
- Patent number 5,296,212
- Issue date Mar 22, 1994
- Chemie AG Bitterfeld-Wolfen
- Arndt Zschalich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for stabilizing phosphorus trichloride
- Patent number 5,147,622
- Issue date Sep 15, 1992
- Chemie AG Bitterfeld-Wolfen
- Rudolf Schumann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for stabilizing phosphorus trichloride
- Patent number 5,147,621
- Issue date Sep 15, 1992
- Chemie AG Bitterfeld-Wolfen
- Rudolf Schumann
- C01 - INORGANIC CHEMISTRY