Hermann Siegert

Person

Darmstadt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Catalyst for reacting carboxylic acid nitriles
- Patent number 9,289,752
- Issue date Mar 22, 2016
- Evonik Rohm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing methacrylic acid or methacrylic esters
- Patent number 9,234,218
- Issue date Jan 12, 2016
- Evonik Roehm GmbH
- Achim Marx
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for producing a carboxylic acid amide from a carbonyl compou...
- Patent number 8,975,440
- Issue date Mar 10, 2015
- Evonik Roehm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Transesterification methods
- Patent number 8,889,899
- Issue date Nov 18, 2014
- Evonik Roehm GmbH
- Jochen Ackermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing methacrylic acid
- Patent number 8,791,296
- Issue date Jul 29, 2014
- Evonik Roehm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing alpha-hydroxycarboxylic esters
- Patent number 8,569,539
- Issue date Oct 29, 2013
- Evonik Roehm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the continuous production of alkyl(meth)acrylates with m...
- Patent number 8,461,375
- Issue date Jun 11, 2013
- Evonik Rohm GmbH
- Jochen Ackerman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying polymerizable compounds
- Patent number 8,337,671
- Issue date Dec 25, 2012
- Evonik Rohm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing carboxamides by hydrolysis carboxylic acid ni...
- Patent number 8,334,406
- Issue date Dec 18, 2012
- Evonik Roehm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing (meth)acrylic acid
- Patent number 8,207,371
- Issue date Jun 26, 2012
- Evonik Rohm GmbH
- Bernd Vogel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the continuous production of unsaturated carboxylic acid...
- Patent number 8,084,640
- Issue date Dec 27, 2011
- Evonik Roehm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for producing alkyl(meth)acrylates
- Patent number 7,999,130
- Issue date Aug 16, 2011
- Evonik Roehm GmbH
- Jochen Ackermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing tetramethyl glycolide
- Patent number 7,928,251
- Issue date Apr 19, 2011
- Evonik Roehm GmbH
- Bernd Vogel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the continuous production of unsaturated carboxylic acid...
- Patent number 7,714,165
- Issue date May 11, 2010
- Evonik Roehm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogen cyanide synthesis process
- Patent number 6,979,432
- Issue date Dec 27, 2005
- Roehm GmbH & Co KG
- Thomas Schaefer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the continuous production of alkyl (meth)acrylates
- Patent number 6,977,310
- Issue date Dec 20, 2005
- Roehm GmbH & Co KG
- Jochen Ackermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogen cyanide synthesis process
- Patent number 6,743,407
- Issue date Jun 1, 2004
- Roehm GmbH & Co KG
- Thomas Schaefer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing methacrylic acid and methacrolein by oxidatio...
- Patent number 5,380,932
- Issue date Jan 10, 1995
- Roehm GmbH Chemische Fabrik
- Ernst Bielmeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making isobutyric acid
- Patent number 5,218,145
- Issue date Jun 8, 1993
- Rohm GmbH
- Wolfgang Ruppert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making isobutyric acid
- Patent number 4,992,582
- Issue date Feb 12, 1991
- Rohm GmbH
- Wolfgang Ruppert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering aromatic polyethers
- Patent number 4,673,730
- Issue date Jun 16, 1987
- Rohm GmbH
- Hermann Siegert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for making isobutyric acid
- Patent number 4,647,696
- Issue date Mar 3, 1987
- Rohm GmbH
- Siegmund Besecke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making isobutyric acid or esters thereof
- Patent number 4,504,675
- Issue date Mar 12, 1985
- Rohm GmbH
- Siegmund Besecke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making isobutyric acid
- Patent number 4,452,999
- Issue date Jun 5, 1984
- Rohm GmbH
- Siegmund Besecke
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
MICROBIOLOGICAL PRODUCTION OF 3-HYDROXYISOBUTYRIC ACID
- Publication number 20150218601
- Publication date Aug 6, 2015
- Evonik Roehm GmbH
- Achim MARX
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
PROCESS FOR PREPARING METHACRYLIC ACID
- Publication number 20140051886
- Publication date Feb 20, 2014
- EVONIK RÖHM GMBH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING A CARBOXYLIC ACID AMIDE FROM A CARBONYL COMPOU...
- Publication number 20120232305
- Publication date Sep 13, 2012
- Evonik Roehm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING A CARBOXYLIC ACID AMIDE FROM A CARBONYL COMPOU...
- Publication number 20110306784
- Publication date Dec 15, 2011
- Evonik Roehm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING CARBOXAMIDES BY HYDROLYSING CARBONITRILES IN...
- Publication number 20110060159
- Publication date Mar 10, 2011
- Evonik Roehm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CATALYST FOR REACTING CARBOXYLIC ACID NITRILES
- Publication number 20110034728
- Publication date Feb 10, 2011
- Evonik Roehm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING HYDROGEN CYANIDE IN A PARTICULATE HEAT EXCHANG...
- Publication number 20110020207
- Publication date Jan 27, 2011
- Evonik Roehm GmbH
- Hermann Siegert
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PREPARING METHACRYLIC ACID OR METHACRYLIC ESTERS
- Publication number 20100291644
- Publication date Nov 18, 2010
- Evonik Roehm GmbH
- Achim Marx
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING HYDROCYANIC ACID (HCN)
- Publication number 20100086468
- Publication date Apr 8, 2010
- Evonik Roehm GmbH
- Thomas Schaefer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
MICROBIOLOGICAL PRODUCTION OF 3-HYDROXYISOBUTYRIC ACID
- Publication number 20100068773
- Publication date Mar 18, 2010
- Evonik Roehm GmbH
- Achim Marx
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PREPARING (METH)ACRYLIC ACID
- Publication number 20100029979
- Publication date Feb 4, 2010
- Evonik Roehm GmbH
- Bernd Vogel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ALKYL (METH)ACRYLATES USING AN ENZYMATIC CYAN...
- Publication number 20100021977
- Publication date Jan 28, 2010
- Evonik Roehm GmbH
- Alexander May
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
PROCESS FOR PREPARING TETRAMETHYL GLYCOLIDE
- Publication number 20100010276
- Publication date Jan 14, 2010
- Evonik Roehm GmbH
- Bernd Vogel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID...
- Publication number 20090264673
- Publication date Oct 22, 2009
- Evonik Roehm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ACIDS
- Publication number 20090209781
- Publication date Aug 20, 2009
- Evonik Roehm GmbH
- Jochen Ackermann
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ESTERS
- Publication number 20090182167
- Publication date Jul 16, 2009
- Evonik Roehm GmbH
- Alexander May
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING POLYMERIZABLE COMPOUNDS
- Publication number 20090166176
- Publication date Jul 2, 2009
- Evonik Roehm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID...
- Publication number 20090118533
- Publication date May 7, 2009
- Evonik Roehm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Apparatus and Method for Continuously Carried Out Equilibrium React...
- Publication number 20080269431
- Publication date Oct 30, 2008
- Evonik Roehm GmbH
- Dirk Sarcinelli
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Transesterification Methods
- Publication number 20080194862
- Publication date Aug 14, 2008
- Evonik Roehm GmbH
- Jochen Ackermann
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Methods For Producing Alkyl(Meth)Acrylates
- Publication number 20080194875
- Publication date Aug 14, 2008
- Evonik Roehm GmbH
- Jochen Ackermann
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the continuous production of alkyl(meth)acrylates with m...
- Publication number 20060211880
- Publication date Sep 21, 2006
- Roehm GMBH & CO. KG
- Jochen Ackerman
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the continuous production of alkyl (meth)acrylates
- Publication number 20050119500
- Publication date Jun 2, 2005
- ROEHM GMBH & CO. KG
- Jochen Ackermann
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydrogen cyanide synthesis process
- Publication number 20040208814
- Publication date Oct 21, 2004
- ROEHM GMBH & CO. KG
- Thomas Schaefer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Hydrogen cyanide synthesis process
- Publication number 20020054848
- Publication date May 9, 2002
- ROEHM GMBH & CO. KG
- Thomas Schaefer
- C01 - INORGANIC CHEMISTRY

Hermann Siegert

Person

Patents Grantslast 30 patents

Catalyst for reacting carboxylic acid nitriles

Process for preparing methacrylic acid or methacrylic esters

Method for producing a carboxylic acid amide from a carbonyl compou...

Transesterification methods

Process for preparing methacrylic acid

Process for preparing alpha-hydroxycarboxylic esters

Method for the continuous production of alkyl(meth)acrylates with m...

Method for purifying polymerizable compounds

Process for preparing carboxamides by hydrolysis carboxylic acid ni...

Process for preparing (meth)acrylic acid

Method for the continuous production of unsaturated carboxylic acid...

Methods for producing alkyl(meth)acrylates

Process for preparing tetramethyl glycolide

Method for the continuous production of unsaturated carboxylic acid...

Hydrogen cyanide synthesis process

Method for the continuous production of alkyl (meth)acrylates

Hydrogen cyanide synthesis process

Process for producing methacrylic acid and methacrolein by oxidatio...

Method for making isobutyric acid

Method for making isobutyric acid

Method for recovering aromatic polyethers

Method for making isobutyric acid

Method for making isobutyric acid or esters thereof

Method for making isobutyric acid

Patents Applicationslast 30 patents

MICROBIOLOGICAL PRODUCTION OF 3-HYDROXYISOBUTYRIC ACID

PROCESS FOR PREPARING METHACRYLIC ACID

METHOD FOR PRODUCING A CARBOXYLIC ACID AMIDE FROM A CARBONYL COMPOU...

METHOD FOR PRODUCING A CARBOXYLIC ACID AMIDE FROM A CARBONYL COMPOU...

PROCESS FOR PREPARING CARBOXAMIDES BY HYDROLYSING CARBONITRILES IN...

CATALYST FOR REACTING CARBOXYLIC ACID NITRILES

METHOD FOR PRODUCING HYDROGEN CYANIDE IN A PARTICULATE HEAT EXCHANG...

PROCESS FOR PREPARING METHACRYLIC ACID OR METHACRYLIC ESTERS

METHOD FOR PRODUCING HYDROCYANIC ACID (HCN)

MICROBIOLOGICAL PRODUCTION OF 3-HYDROXYISOBUTYRIC ACID

PROCESS FOR PREPARING (METH)ACRYLIC ACID

PROCESS FOR PREPARING ALKYL (METH)ACRYLATES USING AN ENZYMATIC CYAN...

PROCESS FOR PREPARING TETRAMETHYL GLYCOLIDE

METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID...

PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ACIDS

PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ESTERS

METHOD FOR PURIFYING POLYMERIZABLE COMPOUNDS

METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID...

Apparatus and Method for Continuously Carried Out Equilibrium React...

Transesterification Methods

Methods For Producing Alkyl(Meth)Acrylates

Method for the continuous production of alkyl(meth)acrylates with m...

Method for the continuous production of alkyl (meth)acrylates

Hydrogen cyanide synthesis process

Hydrogen cyanide synthesis process