Erfried Parr

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Rodenbach, DT

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Patents Grantslast 30 patents

Information Patent Grant
Ion-exchanging aluminum silicate with hydrophilic surfaces
- Patent number 4,088,593
- Issue date May 9, 1978
- Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
- Wolfgang Roebke
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of crystalline zeolitic molecular sieves...
- Patent number 4,073,867
- Issue date Feb 14, 1978
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Wolfgang Roebke
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ion-exchanging aluminum silicate with hydrophilic surfaces
- Patent number 4,040,972
- Issue date Aug 9, 1977
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Wolfgang Roebke
- C01 - INORGANIC CHEMISTRY