Axel HENGSTERMANN

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Patents Grantslast 30 patents

Information Patent Grant
Purification of crude isophoronediamine by partial condensation in...
- Patent number 10,392,340
- Issue date Aug 27, 2019
- Evonik Degussa GmbH
- Anne Rittsteiger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Coupling of distillative purification with a partial condenser for...
- Patent number 10,343,975
- Issue date Jul 9, 2019
- Evonik Degussa GmbH
- Anne Rittsteiger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fine purification of isophoronenitrile by melt crystallization
- Patent number 9,878,979
- Issue date Jan 30, 2018
- Evonik Degussa GmbH
- Joerg-Joachim Nitz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for removing cations from an isophoronenitrile product mixture
- Patent number 9,868,699
- Issue date Jan 16, 2018
- Evonik Degussa GmbH
- Joerg-Joachim Nitz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine
- Patent number 9,085,506
- Issue date Jul 21, 2015
- Evonik Degussa GmbH
- Markus Galle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrolysis of the residues obtained in the production of isophorone...
- Patent number 9,035,102
- Issue date May 19, 2015
- Evonik Industries AG
- Joerg-Joachim Nitz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Superabsorbent polymers and methods of making the same
- Patent number 8,895,683
- Issue date Nov 25, 2014
- Evonik Degussa GmbH
- Franz-Felix Kuppinger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing isophorone
- Patent number 8,889,914
- Issue date Nov 18, 2014
- Evonik Degussa GmbH
- Matthias Orschel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Superabsorbent polymers and methods of making the same
- Patent number 8,481,784
- Issue date Jul 9, 2013
- Evonik Degussa GmbH
- Franz-Felix Kuppinger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for isolation of laurolactam from a laurolactam synthesis pr...
- Patent number 8,399,658
- Issue date Mar 19, 2013
- Evonik Degussa GmbH
- Axel Hengstermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing and purifying aqueous phases
- Patent number 8,362,299
- Issue date Jan 29, 2013
- Evonik Stockhausen GmbH
- Axel Hengstermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Superabsorbent polymers and methods of making the same
- Patent number 8,293,941
- Issue date Oct 23, 2012
- Evonik Stockhausen GmbH
- Franz-Felix Kuppinger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Washing apparatus, a method of purifying a wash material and use of...
- Patent number 8,252,120
- Issue date Aug 28, 2012
- Evonik Stockhausen GmbH
- Stefan Nordhoff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing acrylic acid purified by crystallization from...
- Patent number 8,198,481
- Issue date Jun 12, 2012
- Evonik Stockhausen GmbH
- Franz-Felix Kuppinger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of a crude lactam mixture by means of melt crystalliza...
- Patent number 7,807,826
- Issue date Oct 5, 2010
- Evonik Degussa GmbH
- Axel Hengstermann
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
REMOVAL OF LOW BOILERS AND REDUCTION OF THE AMMONIA CONTENT IN ISOP...
- Publication number 20180029971
- Publication date Feb 1, 2018
- EVONIK DEGUSSA GmbH
- Anne Rittsteiger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COUPLING OF DISTILLATIVE PURIFICATION WITH A PARTIAL CONDENSER FOR...
- Publication number 20170298003
- Publication date Oct 19, 2017
- EVONIK DEGUSSA GmbH
- Anne Rittsteiger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FINE PURIFICATION OF ISOPHORONENITRILE BY MELT CRYSTALLIZATION
- Publication number 20170152217
- Publication date Jun 1, 2017
- EVONIK DEGUSSA GmbH
- Joerg-Joachim NITZ
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR REMOVING CATIONS FROM AN ISOPHORONENITRILE PRODUCT MIXTURE
- Publication number 20160272580
- Publication date Sep 22, 2016
- EVONIK DEGUSSA GmbH
- Joerg-Joachim NITZ
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HYDROLYSIS OF THE RESIDUES OBTAINED IN THE PRODUCTION OF ISOPHORONE...
- Publication number 20150045585
- Publication date Feb 12, 2015
- Evonik Industries AG
- Joerg-Joachim NITZ
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION OF METHACRYLIC ACID
- Publication number 20140187817
- Publication date Jul 3, 2014
- Evonik Roehm GmbH
- Torsten Balduf
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING ISOPHORONE
- Publication number 20130261343
- Publication date Oct 3, 2013
- EVONIK DEGUSSA GmbH
- Matthias Orschel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING 3-AMINOMETHYL-3,5,5-TRIMETHYLCYCLOHEXYLAMINE
- Publication number 20130253226
- Publication date Sep 26, 2013
- EVONIK DEGUSSA GmbH
- Markus Galle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME
- Publication number 20130253149
- Publication date Sep 26, 2013
- Franz-Felix Kuppinger
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME
- Publication number 20130053522
- Publication date Feb 28, 2013
- Franz-Felix Kuppinger
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME
- Publication number 20120232233
- Publication date Sep 13, 2012
- Franz-Felix Kuppinger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR ISOLATION OF LAUROLACTAM FROM A LAUROLACTAM SYNTHESIS PR...
- Publication number 20110124855
- Publication date May 26, 2011
- EVONIK DEGUSSA GmbH
- Axel HENGSTERMANN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING ACRYLIC ACID PURIFIED BY CRYSTALLIZATION FROM...
- Publication number 20110105791
- Publication date May 5, 2011
- Franz-Felix Kuppinger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING AND PURIFYING AQUEOUS PHASES
- Publication number 20110046297
- Publication date Feb 24, 2011
- Axel Hengstermann
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PURIFICATION OF A CRUDE LACTAM MIXTURE BY MEANS OF MELT CRYSTALLIZA...
- Publication number 20090088567
- Publication date Apr 2, 2009
- EVONIK DEGUSSA GmbH
- Axel Hengstermann
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Washing Apparatus, A Method Of Purifying A Wash Material And Use Of...
- Publication number 20060013748
- Publication date Jan 19, 2006
- Stefan Nordhoff
- B08 - CLEANING

Axel HENGSTERMANN

Person

Patents Grantslast 30 patents

Purification of crude isophoronediamine by partial condensation in...

Coupling of distillative purification with a partial condenser for...

Fine purification of isophoronenitrile by melt crystallization

Process for removing cations from an isophoronenitrile product mixture

Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine

Hydrolysis of the residues obtained in the production of isophorone...

Superabsorbent polymers and methods of making the same

Method for producing isophorone

Superabsorbent polymers and methods of making the same

Method for isolation of laurolactam from a laurolactam synthesis pr...

Method for producing and purifying aqueous phases

Superabsorbent polymers and methods of making the same

Washing apparatus, a method of purifying a wash material and use of...

Process for preparing acrylic acid purified by crystallization from...

Purification of a crude lactam mixture by means of melt crystalliza...

Patents Applicationslast 30 patents

REMOVAL OF LOW BOILERS AND REDUCTION OF THE AMMONIA CONTENT IN ISOP...

COUPLING OF DISTILLATIVE PURIFICATION WITH A PARTIAL CONDENSER FOR...

FINE PURIFICATION OF ISOPHORONENITRILE BY MELT CRYSTALLIZATION

PROCESS FOR REMOVING CATIONS FROM AN ISOPHORONENITRILE PRODUCT MIXTURE

HYDROLYSIS OF THE RESIDUES OBTAINED IN THE PRODUCTION OF ISOPHORONE...

PREPARATION OF METHACRYLIC ACID

METHOD FOR PRODUCING ISOPHORONE

PROCESS FOR PREPARING 3-AMINOMETHYL-3,5,5-TRIMETHYLCYCLOHEXYLAMINE

SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME

SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME

SUPERABSORBENT POLYMERS AND METHODS OF MAKING THE SAME

METHOD FOR ISOLATION OF LAUROLACTAM FROM A LAUROLACTAM SYNTHESIS PR...

PROCESS FOR PREPARING ACRYLIC ACID PURIFIED BY CRYSTALLIZATION FROM...

METHOD FOR PRODUCING AND PURIFYING AQUEOUS PHASES

PURIFICATION OF A CRUDE LACTAM MIXTURE BY MEANS OF MELT CRYSTALLIZA...

Washing Apparatus, A Method Of Purifying A Wash Material And Use Of...