Carl-Dieter Frohning

Person

Oberhausen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing aldehydes
- Patent number 7,259,279
- Issue date Aug 21, 2007
- Oxea GmbH
- Dietmar Thiel
- 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
Preparation of aldehydes
- Patent number 6,700,021
- Issue date Mar 2, 2004
- Celanese Chemicals Europe GmbH
- Hans Bohnen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing sulfonated aryl phosphines
- Patent number 6,610,881
- Issue date Aug 26, 2003
- Celanese Chemicals Europe
- Michael Riedel
- C07 - ORGANIC CHEMISTRY
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 preparing aldehydes in the presence of an aqueous phase...
- Patent number 6,274,774
- Issue date Aug 14, 2001
- Celanese GmbH
- Sandra Bogdanovic
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aldehydes by hydroformylation
- Patent number 6,211,414
- Issue date Apr 3, 2001
- Celanese GmbH
- Sandra Bogdanovic
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst and process for the production of aldehydes by hydroformyl...
- Patent number 6,191,063
- Issue date Feb 20, 2001
- Celanese GmbH
- Sandra Bogdanovic
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tertiary phosphanes containing alkylene glycol groups
- Patent number 6,160,180
- Issue date Dec 12, 2000
- Celanese Chemicals Europe GmbH
- Steffen Haber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing alcohols
- Patent number 6,096,931
- Issue date Aug 1, 2000
- Celanese GmbH
- Carl Dieter Frohning
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
One stage process for the preparation of alcohols
- Patent number 5,684,215
- Issue date Nov 4, 1997
- Hoechst Aktiengesellschaft
- Gerhardt Horn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of alcohols or amines
- Patent number 5,663,445
- Issue date Sep 2, 1997
- Hoechst Aktiengesellschaft
- Gerhardt Horn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogenation catalyst, a process for its preparation and use thereof
- Patent number 5,600,030
- Issue date Feb 4, 1997
- Hoechst Aktiengesellschaft
- Gregor Deckers
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of alcohols or amines
- Patent number 5,550,297
- Issue date Aug 27, 1996
- Hoechst Aktiengesellschaft
- Gerhardt Horn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogenation catalyst, a process for its preparation, and use thereof
- Patent number 5,498,587
- Issue date Mar 12, 1996
- Hoechst Aktiengesellschaft
- Gregor Deckers
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of alcohols in two stages
- Patent number 5,475,161
- Issue date Dec 12, 1995
- Hoechst Aktiengesellschaft
- Gerhardt Horn
- 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
Copper/zinc oxide/aluminum oxide-containing catalysts
- Patent number 5,302,569
- Issue date Apr 12, 1994
- Hoechst Aktiengesellschaft
- Gerhard Horn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supported catalysts and a process for their preparation
- Patent number 5,155,084
- Issue date Oct 13, 1992
- Hoechst Aktiengesellschaft
- Gerhardt Horn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of catalyst compositions containing nic...
- Patent number 4,956,328
- Issue date Sep 11, 1990
- Hoechst Aktiengesellschaft
- Carl D. Frohning
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of unsaturated hydrocarbons
- Patent number 4,564,642
- Issue date Jan 14, 1986
- Ruhrchemie Aktiengesellschaft
- Bernd Bussemeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol and n-propanol from methanol and synt...
- Patent number 4,472,526
- Issue date Sep 18, 1984
- Ruhrchemie Aktiengesellschaft
- Boy Cornils
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of unsaturated hydro-carbons
- Patent number 4,455,395
- Issue date Jun 19, 1984
- Ruhrchemie Aktiengesellschaft
- Bernd Bussemeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ethanol and n-propanol from methanol
- Patent number 4,424,383
- Issue date Jan 3, 1984
- Ruhrchemie Aktiengesellschaft
- Boy Cornils
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing unsaturated hydrocarbons
- Patent number 4,423,156
- Issue date Dec 27, 1983
- Ruhrchemie Aktiengesellschaft
- Bernd Bussemeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of ethanol and n-propanol from methanol
- Patent number 4,355,192
- Issue date Oct 19, 1982
- Ruhrchemie Aktiengesellschaft
- Boy Cornils
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 3-(4-methyl-3-cyclohexen-1-yl) butyr...
- Patent number 4,337,363
- Issue date Jun 29, 1982
- Ruhrchemie Aktiengesellschaft
- Helmut Bahrmann
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

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 aldehydes
- Publication number 20060161023
- Publication date Jul 20, 2006
- Dietmar Thiel
- 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
Preparation of aldehydes
- Publication number 20030083528
- Publication date May 1, 2003
- Hans Bohnen
- C07 - ORGANIC CHEMISTRY

Carl-Dieter Frohning

Person

Patents Grantslast 30 patents

Process for preparing aldehydes

Process for preparing sulfonated arylphosphines

Process for preparing sulfonated arylphosphines

Preparation of aldehydes

Method for producing sulfonated aryl phosphines

Process for the purification of wastewater from the aldolization re...

Process for preparing aldehydes in the presence of an aqueous phase...

Process for preparing aldehydes by hydroformylation

Catalyst and process for the production of aldehydes by hydroformyl...

Tertiary phosphanes containing alkylene glycol groups

Process for preparing alcohols

One stage process for the preparation of alcohols

Process for the preparation of alcohols or amines

Hydrogenation catalyst, a process for its preparation and use thereof

Process for the preparation of alcohols or amines

Hydrogenation catalyst, a process for its preparation, and use thereof

Process for the preparation of alcohols in two stages

Mixtures of isomeric pentanoic acids, esters prepared therefrom, an...

Copper/zinc oxide/aluminum oxide-containing catalysts

Supported catalysts and a process for their preparation

Process for the preparation of catalyst compositions containing nic...

Process for the manufacture of unsaturated hydrocarbons

Process for producing ethanol and n-propanol from methanol and synt...

Process for the production of unsaturated hydro-carbons

Process for producing ethanol and n-propanol from methanol

Process for preparing unsaturated hydrocarbons

Process for the production of ethanol and n-propanol from methanol

Process for the preparation of 3-(4-methyl-3-cyclohexen-1-yl) butyr...

Patents Applicationslast 30 patents

Process for preparing sulfonated arylphosphines

Process for preparing aldehydes

Process for preparing sulfonated arylphosphines

Process for preparing sulfonated arylphosphines

Preparation of aldehydes