Guenther Koehler

Person

Marl, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Continuous process for decarboxylating carboxylic acids
- Patent number 7,485,756
- Issue date Feb 3, 2009
- Evonik Degussa GmbH
- Marianne Omeis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crosslinking base layer for fixing interlinings according to double...
- Patent number 6,784,227
- Issue date Aug 31, 2004
- Degussa AG
- Ulrich Simon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of 2-chloro-1,1,1-trialkoxyethane
- Patent number 6,747,176
- Issue date Jun 8, 2004
- Degussa AG
- Guenther Koehler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing amino derivatives of C-H-acid compounds
- Patent number 6,500,980
- Issue date Dec 31, 2002
- Degussa AG
- Guenther Koehler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing hydroxybenzoic esters of oxo alcohols
- Patent number 6,218,567
- Issue date Apr 17, 2001
- Huels Aktiengesellschaft
- Guenther Koehler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of macrocyclic esters or lactones
- Patent number 6,140,514
- Issue date Oct 31, 2000
- Huels Aktiengesellschaft
- Guenther Koehler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of cyclic esters
- Patent number 6,107,496
- Issue date Aug 22, 2000
- Huels Aktiengesellschaft
- Clemens Osterholt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing high-purity cyclopropyl methyl ketone
- Patent number 6,045,662
- Issue date Apr 4, 2000
- Huels Aktiengesellschaft
- Wolfgang Kleemiss
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing 2-acetyl-.gamma.-butyrolactone
- Patent number 5,789,603
- Issue date Aug 4, 1998
- Huels Aktiengesellschaft
- Guenther Koehler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing diesters of higher .alpha.,.omega.-dicarboxyl...
- Patent number 5,786,502
- Issue date Jul 28, 1998
- Huels Aktiengesellschaft
- Guenther Koehler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous preparation of macrocyclic compounds
- Patent number 5,717,111
- Issue date Feb 10, 1998
- Huels Aktiengesellschaft
- Guenther Koehler
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CONTINUOUS PROCESS FOR DECARBOXYLATING CARBOXYLIC ACIDS
- Publication number 20080214864
- Publication date Sep 4, 2008
- EVONIK DEGUSSA GmbH
- Marianne Omeis
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing acetals and ketals with the aid of multistage...
- Publication number 20040024260
- Publication date Feb 5, 2004
- Degussa AG
- Hermann Winkler
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Preparation of 2-chloro-1,1,1-trialkoxyethane
- Publication number 20030229255
- Publication date Dec 11, 2003
- Degussa AG
- Guenther Koehler
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Crosslinking base layer for fixing interlinings according to double...
- Publication number 20020042455
- Publication date Apr 11, 2002
- Degussa AG
- Ulrich Simon
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Guenther Koehler

Person

Patents Grantslast 30 patents

Continuous process for decarboxylating carboxylic acids

Crosslinking base layer for fixing interlinings according to double...

Preparation of 2-chloro-1,1,1-trialkoxyethane

Process for preparing amino derivatives of C-H-acid compounds

Process for preparing hydroxybenzoic esters of oxo alcohols

Process for the preparation of macrocyclic esters or lactones

Process for the preparation of cyclic esters

Process for preparing high-purity cyclopropyl methyl ketone

Method for preparing 2-acetyl-.gamma.-butyrolactone

Process for preparing diesters of higher .alpha.,.omega.-dicarboxyl...

Process for the continuous preparation of macrocyclic compounds

Patents Applicationslast 30 patents

CONTINUOUS PROCESS FOR DECARBOXYLATING CARBOXYLIC ACIDS

Process for preparing acetals and ketals with the aid of multistage...

Preparation of 2-chloro-1,1,1-trialkoxyethane

Crosslinking base layer for fixing interlinings according to double...