Gottfried Kallrath

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Wesseling, DT

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Patents Grantslast 30 patents

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Process for hydrophobization of finely divided silica and silicates...
- Patent number 4,072,796
- Issue date Feb 7, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Reinhardt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for hydrophobizing silicas and silicates with organosilanes
- Patent number 4,015,031
- Issue date Mar 29, 1977
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Reinhardt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of Berlin blue
- Patent number 3,985,571
- Issue date Oct 12, 1976
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Reinhardt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for the releasing of materials from voluminous precipitat...
- Patent number 3,940,252
- Issue date Feb 24, 1976
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Reinhardt
- C01 - INORGANIC CHEMISTRY