Gerhardus Santing

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Arnhem, NL

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Patents Grantslast 30 patents

Information Patent Grant
Production of chlorine and sodium sulphate
- Patent number 5,021,231
- Issue date Jun 4, 1991
- Shell Oil Company
- Just J. C. Jansz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of aluminum
- Patent number 4,049,425
- Issue date Sep 20, 1977
- Shell Oil Company
- Servaas Middelhoek
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...