Helmut Zentgraf

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Burghaun-Stenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for the continuous determination of the sylvi...
- Patent number 5,614,104
- Issue date Mar 25, 1997
- Kali und Salz GmbH
- Ivan Bakardjiev
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of granulating water soluble fertilizers with high kieserite...
- Patent number 4,848,675
- Issue date Jul 18, 1989
- Kali und Salz Aktiengesellschaft
- Karl-Richard Loeblich
- C05 - FERTILISERS MANUFACTURE THEREOF