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Manfred zur Hausen
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Marl, DE
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last 30 patents
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Patent Grant
Method of producing aliphatic and cycloaliphatic diols by catalytic...
Patent number
5,030,771
Issue date
Jul 9, 1991
Huels Aktiengesellschaft
Werner Fuhrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Manufacture of phthalic anhydride by gas phase oxidation of a mixtu...
Patent number
4,855,458
Issue date
Aug 8, 1989
Huls Aktiengesellschaft
Werner Fuhrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of C.sub.1 -- to C.sub.6 -N-alkylpyrroli...
Patent number
4,780,547
Issue date
Oct 25, 1988
Huels Aktiengesellschaft
Manfred zur Hausen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 2- and 4-tert-butylcyclohexanols with...
Patent number
4,551,564
Issue date
Nov 5, 1985
Chemische Werke Huels, A.G.
Werner Otte
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of polyalkylpiperidylamines
Patent number
4,526,971
Issue date
Jul 2, 1985
Chemische Werke Huls Aktiengesellschaft
Josef Disteldorf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two stage hydrogenation to make neopentyl glycol
Patent number
4,250,337
Issue date
Feb 10, 1981
Chemische Werke Huls Aktiengesellschaft
Manfred zur Hausen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for working up distillation residues from the hydroformylat...
Patent number
4,190,731
Issue date
Feb 26, 1980
Chemische Werke Huls AG
Rudolph Nehring
C07 - ORGANIC CHEMISTRY