Arno Siegmar Schmidt

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Munster, DE

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst for the orthomethylation of phenols
- Patent number 4,720,478
- Issue date Jan 19, 1988
- Huels Aktiengesellschaft
- Heinz-Werner Voges
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and catalyst for the orthomethylation of phenols
- Patent number 4,644,086
- Issue date Feb 17, 1987
- Huels Aktiengesellschaft
- Heinz-Werner Voges
- C07 - ORGANIC CHEMISTRY