Bernhard Hostettler

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Zurich, CH

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Patents Grantslast 30 patents

Information Patent Grant
Light screening compositions
- Patent number 5,840,282
- Issue date Nov 24, 1998
- Givaudan-Roure (International) SA
- Hans Ulrich Gonzenbach
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Benzotriazolesulfonic acid derivatives as microbicides
- Patent number 5,374,639
- Issue date Dec 20, 1994
- Ciba-Geigy Corporation
- Marius Sutter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic compounds
- Patent number 5,171,354
- Issue date Dec 15, 1992
- Ciba-Geigy Corporation
- Bernhard Hostettler
- C07 - ORGANIC CHEMISTRY