Jan Wilkens

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing sodium disilicate having a high ion-exchange...
- Patent number 5,895,637
- Issue date Apr 20, 1999
- Hoechst Aktiengesellschaft
- Jan Wilkens
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Crystalline sheet sodium silicate
- Patent number 5,614,161
- Issue date Mar 25, 1997
- Hoechst Aktiengesellschaft
- Jan Wilkens
- C01 - INORGANIC CHEMISTRY