Volker Hafner

Person

Langenselbod, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of 2-hydroxy-4-methylthiobutyric acid
- Patent number 7,148,379
- Issue date Dec 12, 2006
- Degussa AG
- Alexander Möller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of isopropenyl methyl ether
- Patent number 6,566,559
- Issue date May 20, 2003
- Degussa AG
- Steffen Krill
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 2,3,5-trimethylhydroquinone diesters
- Patent number 6,316,661
- Issue date Nov 13, 2001
- Degussa-Huls AG
- Steffen Krill
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering sulfuric acid from sulfate salts
- Patent number 6,146,612
- Issue date Nov 14, 2000
- Degussa-Huls AG
- Hans Albrecht Hasseberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for obtaining 2-hydroxy-4-methylthiobutyric acid (MHA)
- Patent number 6,140,536
- Issue date Oct 31, 2000
- Degussa-Huls AG
- Hans Albrecht Hasseberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for obtaining 2-hydroxy-4-methylthiobutyric acid (MHA) which...
- Patent number 6,008,409
- Issue date Dec 28, 1999
- Degussa Aktiengesellschaft
- Hans-Albrechl Hasseberg
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for recovering 2-hydroxy-4-methylthiobutyric acid (MHA), MH...
- Patent number 5,976,609
- Issue date Nov 2, 1999
- Degussa Aktiengesellschaft
- Hans-Albrecht Hasseberg
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for producing 2-hydroxy-4-methylthiobutyric acid (MHA) and...
- Patent number 5,847,207
- Issue date Dec 8, 1998
- Degussa Aktiengesellschaft
- Helmut Suchsland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of iminodiacetonitrile
- Patent number 4,307,037
- Issue date Dec 22, 1981
- Degussa Aktiengesellschaft
- Helmut Suchsland
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING TRIALLYL CYANURATE
- Publication number 20090192309
- Publication date Jul 30, 2009
- EVONIK DEGUSSA GmbH
- Volker Häfner
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Preparation of 2-hydroxy-4-methylthiobutyric acid
- Publication number 20060047169
- Publication date Mar 2, 2006
- Alexander Moller
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the production of isopropenyl methyl ether
- Publication number 20020042543
- Publication date Apr 11, 2002
- Steffen Krill
- C07 - ORGANIC CHEMISTRY

Volker Hafner

Person

Patents Grantslast 30 patents

Preparation of 2-hydroxy-4-methylthiobutyric acid

Process for the production of isopropenyl methyl ether

Process for the production of 2,3,5-trimethylhydroquinone diesters

Method for recovering sulfuric acid from sulfate salts

Process for obtaining 2-hydroxy-4-methylthiobutyric acid (MHA)

Method for obtaining 2-hydroxy-4-methylthiobutyric acid (MHA) which...

Process for recovering 2-hydroxy-4-methylthiobutyric acid (MHA), MH...

Process for producing 2-hydroxy-4-methylthiobutyric acid (MHA) and...

Process for the production of iminodiacetonitrile

Patents Applicationslast 30 patents

PROCESS FOR PREPARING TRIALLYL CYANURATE

Preparation of 2-hydroxy-4-methylthiobutyric acid

Process for the production of isopropenyl methyl ether