Helmut Springer

Person

Voerde, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Catalytic process for preparing aliphatic straight-chain and β-alky...
- Patent number 7,799,945
- Issue date Sep 21, 2010
- Oxea Deutschland GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and a process for...
- Patent number 7,358,385
- Issue date Apr 15, 2008
- Oxea Deutschland GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process for it...
- Patent number 7,342,135
- Issue date Mar 11, 2008
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing TCD-diamine
- Patent number 7,317,128
- Issue date Jan 8, 2008
- Oxea Deutschland GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aliphatic straight-chain and beta-alkyl-branc...
- Patent number 7,138,544
- Issue date Nov 21, 2006
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing TCD-monenal
- Patent number 7,122,706
- Issue date Oct 17, 2006
- Celanese Chemicals Europe GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing TCD-dialdehyde
- Patent number 7,015,362
- Issue date Mar 21, 2006
- Celanese Chemicals Europe GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing N-methyldialkylamines from secondary dialkyla...
- Patent number 6,982,352
- Issue date Jan 3, 2006
- Celanese Chemicals Europe GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing TCD-alcohol DM
- Patent number 6,939,997
- Issue date Sep 6, 2005
- Celanese Chemicals Europe GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the synthesis of aliphatic carboxylic acids from aldehydes
- Patent number 6,800,783
- Issue date Oct 5, 2004
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing aliphatic carboxylic acids from aldehydes
- Patent number 6,696,582
- Issue date Feb 24, 2004
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the synthesis of straight-chain aliphatic carboxylic aci...
- Patent number 6,680,395
- Issue date Jan 20, 2004
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing ester plasticizers
- Patent number 6,423,856
- Issue date Jul 23, 2002
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing saturated alcohols
- Patent number 6,288,288
- Issue date Sep 11, 2001
- Celanese GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of .alpha.-alkyl substituted aldehydes
- Patent number 5,481,044
- Issue date Jan 2, 1996
- Hoechst Aktiengesellschaft
- Jurgen Weber
- 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
Process for the preparation of unsaturated ethers
- Patent number 5,354,911
- Issue date Oct 11, 1994
- Hoechst Aktiengesellschaft
- Jurgen Weber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of rhodium from residues of the distillati...
- Patent number 5,264,600
- Issue date Nov 23, 1993
- Hoechst Aktiengesellschaft
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of esters of 5-alkylpyridine-2,3-dicarb...
- Patent number 5,182,400
- Issue date Jan 26, 1993
- Hoechst Aktiengesellschaft
- Jurgen Weber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of rhodium from the residues of distillati...
- Patent number 5,151,537
- Issue date Sep 29, 1992
- Hoechst Aktiengesellschaft
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel rhodium recovery
- Patent number 5,091,546
- Issue date Feb 25, 1992
- Hoechst Aktiengesellschaft
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering rhodium
- Patent number 5,085,835
- Issue date Feb 4, 1992
- Hoechst Aktiengesellschaft
- Jurgen Weber
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the preparation of 2,2-dimethylpropane-1,3-diol
- Patent number 5,072,058
- Issue date Dec 10, 1991
- Hoechst Aktiengesellschaft
- Georg Dambkes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-(4-chlorophenyl)-3-methylbutyric acid
- Patent number 5,072,037
- Issue date Dec 10, 1991
- Hoechst Aktiengesellschaft
- Jurgen Weber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the separation of 2-methylalkanals from isomers thereof
- Patent number 5,064,508
- Issue date Nov 12, 1991
- Hoechst Aktiengesellschaft
- Jurgen Weber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparaton of 2-methylbutanal
- Patent number 4,950,800
- Issue date Aug 21, 1990
- Hoechst Aktiengesellschaft
- Jurgen Weber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2,2-dimethylpropanediol-1,3
- Patent number 4,918,247
- Issue date Apr 17, 1990
- Ruhrchemie Aktiengesellschaft
- Norbert Breitkopf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of carboxylic acid methyl esters
- Patent number 4,885,383
- Issue date Dec 5, 1989
- Hoeschst Aktiengesellschaft
- Jurgen Weber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quaternary ammonium salts of sulfonated triarylphosphines and proce...
- Patent number 4,710,321
- Issue date Dec 1, 1987
- Ruhrchemie Aktiengesellschaft
- Helmut Bahrmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quaternary ammonium salts of sulfonated triarylphosphines and proce...
- Patent number 4,673,535
- Issue date Jun 16, 1987
- Ruhrchemie Aktiengesellschaft
- Helmut Bahrmann
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Catalytic process for preparing aliphatic straight-chain and beta-a...
- Publication number 20070265467
- Publication date Nov 15, 2007
- Oxea Deutschland GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and a process for...
- Publication number 20070179314
- Publication date Aug 2, 2007
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
3(4),7(8)-Dihydroxymethylbicyclo[4,3,0]nonane and a process for its...
- Publication number 20070179323
- Publication date Aug 2, 2007
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process for it...
- Publication number 20070179319
- Publication date Aug 2, 2007
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing aliphatic straight-chain and beta-alkyl-branc...
- Publication number 20060106249
- Publication date May 18, 2006
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for dehydrating 2-methylpentane-2,4-diol
- Publication number 20060058561
- Publication date Mar 16, 2006
- Celanese Chemicals Europe GmbH
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing TCD-alcohol DM
- Publication number 20050107644
- Publication date May 19, 2005
- Celanese Chemicals Europe GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing TCD-monenal
- Publication number 20050107640
- Publication date May 19, 2005
- Celanese Chemicals Europe GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing TCD-dialdehyde
- Publication number 20050101805
- Publication date May 12, 2005
- Celanese Chemicals Europe GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing TCD-diamine
- Publication number 20050101796
- Publication date May 12, 2005
- Celanese Chemicals Europe GmbH
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Carboxylic esters based on 2-hydroxymethylnorbornane
- Publication number 20040210081
- Publication date Oct 21, 2004
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing N-methyldialkylamines from secondary dialkyla...
- Publication number 20040204611
- Publication date Oct 14, 2004
- Peter Lappe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing aliphatic carboxylic acids from aldehydes
- Publication number 20030100793
- Publication date May 29, 2003
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the synthesis of straight-chain aliphatic carboxylic aci...
- Publication number 20030100781
- Publication date May 29, 2003
- Helmut Springer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the synthesis of aliphatic carboxylic acids from aldehydes
- Publication number 20030078453
- Publication date Apr 24, 2003
- Helmut Springer
- C07 - ORGANIC CHEMISTRY

Helmut Springer

Person

Patents Grantslast 30 patents

Catalytic process for preparing aliphatic straight-chain and β-alky...

Bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and a process for...

3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process for it...

Process for preparing TCD-diamine

Process for preparing aliphatic straight-chain and beta-alkyl-branc...

Process for preparing TCD-monenal

Process for preparing TCD-dialdehyde

Process for preparing N-methyldialkylamines from secondary dialkyla...

Process for preparing TCD-alcohol DM

Method for the synthesis of aliphatic carboxylic acids from aldehydes

Method for producing aliphatic carboxylic acids from aldehydes

Method for the synthesis of straight-chain aliphatic carboxylic aci...

Process for preparing ester plasticizers

Process for preparing saturated alcohols

Process for the preparation of .alpha.-alkyl substituted aldehydes

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

Process for the preparation of unsaturated ethers

Process for the recovery of rhodium from residues of the distillati...

Process for the preparation of esters of 5-alkylpyridine-2,3-dicarb...

Process for the recovery of rhodium from the residues of distillati...

Novel rhodium recovery

Process for recovering rhodium

Process for the preparation of 2,2-dimethylpropane-1,3-diol

Process for the preparation of 2-(4-chlorophenyl)-3-methylbutyric acid

Process for the separation of 2-methylalkanals from isomers thereof

Process for the preparaton of 2-methylbutanal

Process for the preparation of 2,2-dimethylpropanediol-1,3

Process for the preparation of carboxylic acid methyl esters

Quaternary ammonium salts of sulfonated triarylphosphines and proce...

Quaternary ammonium salts of sulfonated triarylphosphines and proce...

Patents Applicationslast 30 patents

Catalytic process for preparing aliphatic straight-chain and beta-a...

Bicyclo[4.3.0]nonane-3(4),7(8)-dicarboxylic acid and a process for...

3(4),7(8)-Dihydroxymethylbicyclo[4,3,0]nonane and a process for its...

3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process for it...

Process for preparing aliphatic straight-chain and beta-alkyl-branc...

Process for dehydrating 2-methylpentane-2,4-diol

Process for preparing TCD-alcohol DM

Process for preparing TCD-monenal

Process for preparing TCD-dialdehyde

Process for preparing TCD-diamine

Carboxylic esters based on 2-hydroxymethylnorbornane

Process for preparing N-methyldialkylamines from secondary dialkyla...

Method for producing aliphatic carboxylic acids from aldehydes

Method for the synthesis of straight-chain aliphatic carboxylic aci...

Method for the synthesis of aliphatic carboxylic acids from aldehydes