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Wolfgang Schroder
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Dorsten, DE
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last 30 patents
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Patent Grant
Amphiphilic compounds with at least two hydrophilic and at least tw...
Patent number
6,316,396
Issue date
Nov 13, 2001
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
5,977,404
Issue date
Nov 2, 1999
Huels Aktiengesellschaft
Klaus Kwetkat
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Crosslinked castor oil derivatives
Patent number
5,387,658
Issue date
Feb 7, 1995
Huels Aktiengesellschaft
Wolfgang Schroder
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the cyclooligomerization of 3-hydroxy-1 alkynes
Patent number
5,284,982
Issue date
Feb 8, 1994
Huels Aktiengesellschaft
Friedrich-Wilhelm Kupper
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclohexane derivatives containing carboxyl groups
Patent number
5,153,354
Issue date
Oct 6, 1992
Huels Aktiengesellschaft
Wolfgang Schroder
C07 - ORGANIC CHEMISTRY