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Wolfgang Greb
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Dinslaken, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Continuous hydroformylation process with catalyst substitution
Patent number
12,006,282
Issue date
Jun 11, 2024
OQ Chemicals GMBH
Alexander Hensel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for reprocessing a liquid hydroformylation product
Patent number
8,445,728
Issue date
May 21, 2013
Oxea GmbH
Wolfgang Greb
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing sulfonated arylphosphines
Patent number
7,102,034
Issue date
Sep 5, 2006
Celanese Chemicals Europe GmbH
Michael Riedel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing sulfonated arylphosphines
Patent number
6,864,387
Issue date
Mar 8, 2005
Celanese Chemicals Europe GmbH
Michael Riedel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Isomeric nonanols and decanols, their preparation, phthalic esters...
Patent number
6,482,972
Issue date
Nov 19, 2002
Hoechst Aktiengesellschaft
Helmut Bahrmann
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Process for the purification of wastewater from the aldolization re...
Patent number
6,358,419
Issue date
Mar 19, 2002
Hoechst Aktiengesellschaft
Mariola Rötzheim
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the preparation of predominantly unbranched higher prim...
Patent number
6,051,743
Issue date
Apr 18, 2000
Hoechst Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mixtures of isomeric decyl alcohols, phthalates obtainable therefro...
Patent number
5,661,204
Issue date
Aug 26, 1997
Hoechst Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mixtures of isomeric decyl alcohols, phthalates obtainable therefro...
Patent number
5,583,250
Issue date
Dec 10, 1996
Hoechst Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for making a mixture of isomeric decyl alcohols
Patent number
5,516,948
Issue date
May 14, 1996
Hoechst AG
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Decyl alcohol mixtures, phthalic esters obtainable therefrom and th...
Patent number
5,463,147
Issue date
Oct 31, 1995
Hoechst Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mixtures of isomeric pentanoic acids, esters prepared therefrom, an...
Patent number
5,410,072
Issue date
Apr 25, 1995
Hoechst Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Decyl alcohol mixtures, phthalic obtainable therefrom, and their us...
Patent number
5,382,716
Issue date
Jan 17, 1995
Hoechst Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Decyl alcohol mixtures, phthalic esters obtainable therefrom and th...
Patent number
5,369,162
Issue date
Nov 29, 1994
Hoechst Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Decyl alcohol mixtures, phthalic esters obtainable therefrom and th...
Patent number
5,268,514
Issue date
Dec 7, 1993
Hoechst Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing aldehydes
Patent number
4,593,126
Issue date
Jun 3, 1986
Ruhrchemie Aktiengesellschaft
Boy Cornils
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Continuous Hydroformylation Process With Catalyst Substitution
Publication number
20220371979
Publication date
Nov 24, 2022
OQ Chemicals GmbH
Alexander HENSEL
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR REPROCESSING A LIQUID HYDROFORMYLATION PRODUCT
Publication number
20120108852
Publication date
May 3, 2012
Wolfgang Greb
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing sulfonated arylphosphines
Publication number
20060276669
Publication date
Dec 7, 2006
Celanese Chemicals Europe GmbH
Michael Riedel
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing sulfonated arylphosphines
Publication number
20050171377
Publication date
Aug 4, 2005
Celanese Chemicals Europe GmbH
Michael Riedel
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing sulfonated arylphosphines
Publication number
20040019236
Publication date
Jan 29, 2004
Celanese Chemicals Europe GmbH
Michael Riedel
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Isomeric nonanols and decanols, their preparation, phthalic esters...
Publication number
20020133047
Publication date
Sep 19, 2002
Helmut Bahrmann
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...