Rene Gnehm

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Kungoldingen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of acemetacin
- Patent number 4,652,659
- Issue date Mar 24, 1987
- Siegfried Aktiengesellschaft
- Rene Gnehm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-hydroxy-2-methyl-N-2-pyridyl-2H-1,...
- Patent number 4,474,956
- Issue date Oct 2, 1984
- Siegfried Aktiengesellschaft
- Ludwig Zirngibl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing o-nitrobenzaldehyde
- Patent number 4,463,195
- Issue date Jul 31, 1984
- Siegfried Aktiengesellschaft
- Hans-Rudolf Marti
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of trans-4-alkyl-cyanoarylcyclohexanes
- Patent number 4,229,367
- Issue date Oct 21, 1980
- Siegfried Aktiengesellschaft
- Bernhard Granwehr
- C07 - ORGANIC CHEMISTRY