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Claus Kniep
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Oberhausen, DE
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last 30 patents
Information
Patent Grant
Process for the preparation of N-methylalkylamines
Patent number
5,773,658
Issue date
Jun 30, 1998
Hoechst Aktiengesellschaft
Jurgen Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 8,N,N-dialkylaminotricyclo-[5.2.2.02...
Patent number
5,403,959
Issue date
Apr 4, 1995
Hoechst Aktiengesellschaft
Claus Kniep
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 2-aminomethylpiperidine
Patent number
5,374,728
Issue date
Dec 20, 1994
Hoechst Aktiengesellschaft
Detlef Kampmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of amines
Patent number
5,149,876
Issue date
Sep 22, 1992
Hoechst Aktiengesellschaft
Detlef Kampmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalysts and methods of separation thereof
Patent number
5,124,485
Issue date
Jun 23, 1992
Hoechst Aktiengesellschaft
Jurgen Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of .alpha.,.omega.-diamines
Patent number
5,055,618
Issue date
Oct 8, 1991
Hoechst Aktiengesellschaft
Detlef Kampmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of tertiary N, N-dimethylamines
Patent number
4,996,316
Issue date
Feb 26, 1991
Hoechst Aktiengesellschaft
Jurgen Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of methylamines
Patent number
4,952,734
Issue date
Aug 28, 1990
Hoechst AG Werk Ruhrchemie
Jurgen; Weber Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process on the preparation of 2,2'-oxybis(N,N-dimethyl-ethanamine)
Patent number
4,940,818
Issue date
Jul 10, 1990
Hoechst Aktiengesellschaft
Jurgen Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 3-dimethylamino-2,2-dimethylpropanal
Patent number
4,515,986
Issue date
May 7, 1985
Ruhrchemie Aktiengesellschaft
Wolfgang Bernhagen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilization of aldehydes
Patent number
4,414,419
Issue date
Nov 8, 1983
Ruhrchemie Aktiengesellschaft
Jurgen Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N,N-Dimethyl-N'-isobutyl-N'-.beta.-hydroxyethyl-propylenediamine an...
Patent number
4,324,918
Issue date
Apr 13, 1982
Ruhrchemie Aktiengesellschaft
Jurgen Weber
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of di-n-propyl-acetic acid
Patent number
4,311,854
Issue date
Jan 19, 1982
Ruhrchemie Aktiengesellschaft
Jurgen Weber
C07 - ORGANIC CHEMISTRY