Theodor Siegfried

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Basel, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of (3-alkoxycarbonyl-2-butenyl) triphenyl...
- Patent number 5,777,149
- Issue date Jul 7, 1998
- Roche Vitamins Inc.
- Bruno Burdet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of (3-alkoxycarbonyl-2-butenyl) triphenyl...
- Patent number 5,681,977
- Issue date Oct 28, 1997
- Roche Vitamins Inc.
- Bruno Burdet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of (3-alkoxycarbonyl-2-butenyl) triphenyl...
- Patent number 5,631,398
- Issue date May 20, 1997
- Roche Vitamins Inc.
- Bruno Burdet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the enantioselective hydrogenation of ketosiophorone de...
- Patent number 5,543,559
- Issue date Aug 6, 1996
- Hoffman-La Roche Inc.
- Emil A. Broger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of (3-alkoxycarbonyl-2-butenyl)triphenylp...
- Patent number 5,502,236
- Issue date Mar 26, 1996
- Hoffmann-La Roche Inc.
- Bruno Burdet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Rearrangement process
- Patent number 5,041,563
- Issue date Aug 20, 1991
- Hoffman-La Roche Inc.
- Peter Fahrni
- C07 - ORGANIC CHEMISTRY