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Hansjorg Stoller
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Reinach, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Powdered aqueous carotenoid dispersions
Patent number
5,364,563
Issue date
Nov 15, 1994
Hoffmann-La Roche Inc.
Ernst Cathrein
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cyclodextrin-polyene inclusion complexes
Patent number
5,221,735
Issue date
Jun 22, 1993
Hoffmann-La Roche Inc.
Bruno Leuenberger
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Isomerization
Patent number
4,861,890
Issue date
Aug 29, 1989
Hoffmann-La Roche Inc.
Bernd Heiser
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel vitamin A acetate process
Patent number
4,254,281
Issue date
Mar 3, 1981
Hoffmann-La Roche Inc.
Kuno Schleich
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Manufacture of polyene compounds via a Wittig reaction in a two pha...
Patent number
4,081,470
Issue date
Mar 28, 1978
Hoffman-La Roche Inc.
Kuno Schleich
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Isomerization process
Patent number
4,051,174
Issue date
Sep 27, 1977
Hoffmann-La Roche Inc.
Hansjorg Stoller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochemical isomerization of vitamin A compounds
Patent number
4,026,778
Issue date
May 31, 1977
Hoffmann-La Roche Inc.
Michel Lalonde
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Process for the manufacture of a pulverous preparation
Publication number
20020086059
Publication date
Jul 4, 2002
ROCHE VITAMINS INC.
Alexander Bausch
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the manufacture of a pulverous preparation
Publication number
20010031282
Publication date
Oct 18, 2001
ROCHE VITAMINS INC.
Siegfried K. F. Peter
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the manufacture of a pulverous preparation
Publication number
20010000143
Publication date
Apr 5, 2001
ROCHE VITAMINS INC.
Alexander Bausch
C07 - ORGANIC CHEMISTRY