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Marl, DE
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last 30 patents
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Patent Grant
Process for the production of 4,4'-diamino-dicyclohexylmethane with...
Patent number
5,196,594
Issue date
Mar 23, 1993
Miles, Inc.
George H. Schmelzer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 5-chloro-2-pentanone
Patent number
4,990,682
Issue date
Feb 5, 1991
Huels AG
Manfred Kaufhold
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 hydroxymethylcyclopropane (cyclopropy...
Patent number
4,720,597
Issue date
Jan 19, 1988
Huels Aktiengesellschaft
Werner Otte
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing cyclohexyl compounds
Patent number
4,695,660
Issue date
Sep 22, 1987
Huls Aktiengesellschaft
Werner Otte
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
Naphtha-soluble, hydrogenated alkyl aryl ketone/formaldehyde resins...
Patent number
4,542,194
Issue date
Sep 17, 1985
Chemische Werke Huels, A.G.
Jorg Dorffel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Odoriferous aliphatic ethers of hydroxymethylcyclododecane
Patent number
4,359,588
Issue date
Nov 16, 1982
Chemische Werke Huels, Aktiengesellschaft
Klaus Burzin
C07 - ORGANIC CHEMISTRY