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Duelmen, DE
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last 30 patents
Information
Patent Grant
Amphiphilic compounds with at least two hydrophilic and at least tw...
Patent number
6,342,625
Issue date
Jan 29, 2002
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Klaus Kwetkat
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Amphiphilic compounds with at least two hydrophilic and at least tw...
Patent number
6,121,482
Issue date
Sep 19, 2000
Huels Aktiengesellschaft
Klaus Kwetkat
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Amphiphilic compounds with at least two hydrophilic and at least tw...
Patent number
5,997,610
Issue date
Dec 7, 1999
Huels Aktiengesellschaft
Klaus Kwetkat
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Amphiphilic compounds with several hydrophilic and hydrophobic grou...
Patent number
5,962,726
Issue date
Oct 5, 1999
Huls Aktiengesellschaft
Klaus Kwetkat
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acid-cleavable surfactants based on alkylglycosides
Patent number
5,723,590
Issue date
Mar 3, 1998
Huels Aktiengesellschaft
Herbert Koch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of dicarboxylic acid terpolymers for de...
Patent number
5,574,120
Issue date
Nov 12, 1996
Chemische Fabrik Stockhausen GmbH
Klaus Heidel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of polyhydroxyalkylamine-N,N-dicarboxylic acids and their salts...
Patent number
5,023,018
Issue date
Jun 11, 1991
Huls Aktiengesellschaft
Heike Kelkenberg
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Use of n-polyhydroxyalkyl fatty acid amides as thickening agents fo...
Patent number
5,009,814
Issue date
Apr 23, 1991
Huls Aktiengesellschaft
Heike Kelkenberg
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Concentrated fabric conditioners
Patent number
4,963,274
Issue date
Oct 16, 1990
Huels Aktiengesellschaft
Wulf Ruback
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Use of polyhydroxyalkylamine-N-N-dicarboxylic acids and their salts...
Patent number
4,882,091
Issue date
Nov 21, 1989
Huls Aktiengesellschaft
Heike Kelkenberg
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Process for the preparation of trialkanolamine di(fatty acid) ester...
Patent number
4,830,771
Issue date
May 16, 1989
Huels Aktiengesellschaft
Wulf Ruback
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...