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Irmgard Hartel
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Duesseldorf, DE
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last 30 patents
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Patent Grant
Nonionic emulsifiers
Patent number
5,631,357
Issue date
May 20, 1997
Henkel Kommanditgesellschaft auf Aktien
Manfred Weuthen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Process for the production of light-colored alkyl oligoglycoside pa...
Patent number
5,612,467
Issue date
Mar 18, 1997
Henkel Kommanditgesellschaft auf Aktien
Manfred Weuthen
C07 - ORGANIC CHEMISTRY