Johannes Theodorus Gertruda Wijenberg

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of alkylene carbonates
- Patent number 7,488,835
- Issue date Feb 10, 2009
- Shell Oil Company
- Eugene Marie Godfried Andre Van Kruchten
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of alkylene glycols
- Patent number 7,453,015
- Issue date Nov 18, 2008
- Shell Oil Company
- Eugene Marie Godfried Andre Van Kruchten
- C07 - ORGANIC CHEMISTRY