Ernst Hungerbuhler

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Rheinfelden, CH

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Patents Grantslast 30 patents

Information Patent Grant
Synthesis of beta-lactam compounds
- Patent number 5,215,997
- Issue date Jun 1, 1993
- Ciba-Geigy Corporation
- Ernst Hungerbuhler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for .beta.-lactam compounds
- Patent number 5,153,315
- Issue date Oct 6, 1992
- Ciba-Geigy Corporation
- Ernst Hungerbuhler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
(3S, 4R)-3,4-trans-disubstituted azetidin-2-one intermediates
- Patent number 4,962,196
- Issue date Oct 9, 1990
- Ciba-Geigy Corporation
- Ernst Hungerbuhler
- C07 - ORGANIC CHEMISTRY