Georg von Sprecher

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Allschwil, CH

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Patents Grantslast 30 patents

Information Patent Grant
P-subsituted propane-phosphinic acid compounds
- Patent number 5,190,934
- Issue date Mar 2, 1993
- Ciba-Geigy Corporation
- Stuart J. Mickel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydropyridine derivatives
- Patent number 4,939,160
- Issue date Jul 3, 1990
- Ciba-Geigy Corporation
- Georg von Sprecher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridine derivatives and their use as nootropic agents
- Patent number 4,863,938
- Issue date Sep 5, 1989
- Ciba-Geigy Corporation
- Georg von Sprecher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydropyridine derivatives
- Patent number 4,833,169
- Issue date May 23, 1989
- Ciba-Geigy Corporation
- Georg von Sprecher
- C07 - ORGANIC CHEMISTRY