Hans-Ulrich Gonzenbach

Person

Geneve, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Light screening compositions
- Patent number 6,193,959
- Issue date Feb 27, 2001
- Roche Vitamins Inc.
- Pierclaudio Bernasconi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cosmetic light screening composition
- Patent number 6,165,451
- Issue date Dec 26, 2000
- Roche Vitamins Inc.
- Alain Bringhen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Tetra-hydronaphthalenes
- Patent number 6,147,049
- Issue date Nov 14, 2000
- Givaudan-Roure (International) SA
- Peter Gygax
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light screening composition containing a polysiloxane-type UV-B scr...
- Patent number 6,123,929
- Issue date Sep 26, 2000
- Roche Vitamins Inc
- Hans Ulrich Gonzenbach
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light screening compounds and compositions
- Patent number 6,069,170
- Issue date May 30, 2000
- Roche Vitamins Inc.
- Alain Bringhen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light-screening agents
- Patent number 6,048,516
- Issue date Apr 11, 2000
- Roche Vitamins Inc.
- Alain Bringhen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light screening agents
- Patent number 6,033,649
- Issue date Mar 7, 2000
- Roche Vitamins Inc
- Hans Ulrich Gonzenbach
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light screening compositions
- Patent number 5,985,251
- Issue date Nov 16, 1999
- Roche Vitamins Inc.
- Hans Ulrich Gonzenbach
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Acetals and ketals of oxo-tetralins and oxo-indanes
- Patent number 5,084,440
- Issue date Jan 28, 1992
- Givaudan Corporation
- Josianne Baudin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bicyclic aldehydes and fragrance compositions containing same
- Patent number 4,908,349
- Issue date Mar 13, 1990
- Givaudan Corporation
- Hans-Ulrich Gonzenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selective chlorination of para-tertiary-butytoluene
- Patent number 4,853,489
- Issue date Aug 1, 1989
- Hans U. Gonzenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of benzene derivatives
- Patent number 4,804,776
- Issue date Feb 14, 1989
- Givaudan Corporation
- Josianne Baudin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for treating 2-ethylhexyl p-methoxycinnamate in the presenc...
- Patent number 4,713,473
- Issue date Dec 15, 1987
- Givaudan Corporation
- Peter Schudel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Odorant and/or flavorant substances
- Patent number 4,481,133
- Issue date Nov 6, 1984
- Givaudan Corporation
- Hans U. Gonzenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Odorant substances
- Patent number 4,457,862
- Issue date Jul 3, 1984
- Givaudan Corporation
- Josiane Baudin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Odorant and/or flavorant substances
- Patent number 4,406,828
- Issue date Sep 27, 1983
- Givaudan Corporation
- Hans U. Gonzenbach
- C07 - ORGANIC CHEMISTRY

Hans-Ulrich Gonzenbach

Person

Patents Grantslast 30 patents

Light screening compositions

Cosmetic light screening composition

Tetra-hydronaphthalenes

Light screening composition containing a polysiloxane-type UV-B scr...

Light screening compounds and compositions

Light-screening agents

Light screening agents

Light screening compositions

Light screening compositions

Acetals and ketals of oxo-tetralins and oxo-indanes

Bicyclic aldehydes and fragrance compositions containing same

Selective chlorination of para-tertiary-butytoluene

Process for the manufacture of benzene derivatives

Process for treating 2-ethylhexyl p-methoxycinnamate in the presenc...

Odorant and/or flavorant substances

Odorant substances

Odorant and/or flavorant substances