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Hansuli Wehrli
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Reinach, CH
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last 30 patents
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Patent Grant
Cephem compounds having a terminal aminocarboxylic acid grouping an...
Patent number
4,464,366
Issue date
Aug 7, 1984
Ciba-Geigy Corporation
Hansuli Wehrli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fragmentation procedure for preparing 3-amino-azetidinones
Patent number
4,288,364
Issue date
Sep 8, 1981
Ciba-Geigy Corporation
Karl Schaffner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of steroid carboxylic acid lactones
Patent number
4,192,802
Issue date
Mar 11, 1980
Ciba-Geigy Corporation
Georg Anner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of spiro compounds of the steroid series
Patent number
4,054,563
Issue date
Oct 18, 1977
Ciba-Geigy Corporation
Georg Anner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of .DELTA..sup.16 -steroid-14.beta.,18,...
Patent number
3,962,217
Issue date
Jun 8, 1976
Ciba-Geigy Corporation
Hansuli Wehrli
C07 - ORGANIC CHEMISTRY