Membership
Tour
Register
Log in
Stephan KOHLSTRUK
Follow
Person
Gladbeck, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing isocyanates containing alkoxysilane groups
Patent number
10,669,293
Issue date
Jun 2, 2020
Evonik Operations GmbH
Manfred Kreczinski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing isocyanates containing alkoxysilane groups
Patent number
10,633,401
Issue date
Apr 28, 2020
Evonik Operations GmbH
Manfred Kreczinski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing isocyanates containing alkoxysilane groups
Patent number
10,626,131
Issue date
Apr 21, 2020
Evonik Operations GmbH
Manfred Kreczinski
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for preparing isocyanates containing alkoxysilane groups
Patent number
10,611,782
Issue date
Apr 7, 2020
Evonik Operations GmbH
Manfred Kreczinski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing amino compounds from nitrile compounds
Patent number
10,519,096
Issue date
Dec 31, 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
2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a...
Patent number
10,252,980
Issue date
Apr 9, 2019
Evonik Degussa GmbH
Alexander Martin Rüfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Epoxy resin composition comprising 2-(3-(aminomethyl)-3,5,5-trimeth...
Patent number
10,221,277
Issue date
Mar 5, 2019
Evonik Degussa GmbH
Eike Langkabel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Epoxy resin composition comprising 2-(2,2,6,6-tetramethylpiperidin-...
Patent number
10,214,612
Issue date
Feb 26, 2019
Evonik Degussa GmbH
Eike Langkabel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hardener composition including 2-(2,2,6,6-tetramethylpiperidin-4-yl...
Patent number
10,173,979
Issue date
Jan 8, 2019
Evonik Degussa GmbH
Alexander Martin Rüfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a...
Patent number
10,160,717
Issue date
Dec 25, 2018
Evonik Degussa GmbH
Alexander Martin Rüfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 3 aminomethyl-3,5,5-trimethylcyclohexylamine
Patent number
10,125,089
Issue date
Nov 13, 2018
Evonik Degussa GmbH
Stephan Kohlstruk
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalytic oxidation of 3,5,5-trimethylcyclohexa-3-ene-1-one (β-isop...
Patent number
10,093,605
Issue date
Oct 9, 2018
Evonik Degussa GmbH
Stephanie Bajus
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine
Patent number
9,937,483
Issue date
Apr 10, 2018
Evonik Degussa GmbH
Stephan Kohlstruk
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Composite semifinished products, molded parts produced therefrom, a...
Patent number
9,878,500
Issue date
Jan 30, 2018
Evonik Degussa GmbH
Guenter Schmitt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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 producing 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-...
Patent number
9,868,702
Issue date
Jan 16, 2018
Evonik Degussa GmbH
Alexander Martin Rüfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its...
Patent number
9,862,673
Issue date
Jan 9, 2018
Evonik Degussa GmbH
Alexander Martin Rüfer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multicolour extrusion-based 3D print process
Patent number
9,433,969
Issue date
Sep 6, 2016
Evonik Rohm GmbH
Markus Pridoehl
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Multicolored fused deposition modelling print
Patent number
9,283,714
Issue date
Mar 15, 2016
Evonik Rohm GmbH
Markus Pridoehl
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Low monomer 1 : 1 monoadducts of reactive olefinic compounds and di...
Patent number
8,841,479
Issue date
Sep 23, 2014
Evonik Degussa GmbH
Emmanouil Spyrou
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the continuous preparation of (cyclo)aliphatic diisocya...
Patent number
8,816,125
Issue date
Aug 26, 2014
Evonik Degussa GmbH
Hans-Werner Michalczak
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing 1:1 adducts having a low monomer content from...
Patent number
8,729,259
Issue date
May 20, 2014
Evonik Degussa GmbH
Emmanouil Spyrou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Low chlorine, multi-staged method for producing cycloaliphatic diso...
Patent number
8,536,370
Issue date
Sep 17, 2013
Evonik Degussa GmbH
Gerda Grund
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyolefin graft poly(meth)acrylate copolymer-based priming agent f...
Patent number
8,507,600
Issue date
Aug 13, 2013
Evonik Roehm GmbH
Stephan Kohlstruk
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyolefin graft poly(meth)acrylate copolymer-based adhesion promot...
Patent number
8,501,861
Issue date
Aug 6, 2013
Evonik Roehm GmbH
Stephan Kohlstruk
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Multistage continuous preparation of cycloaliphatic disocyanates
Patent number
7,557,242
Issue date
Jul 7, 2009
Degussa AG
Stephan Kohlstruk
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multistage continuous preparation of cycloaliphatic diisocyanates
Patent number
7,420,080
Issue date
Sep 2, 2008
Degussa AG
Stephan Kohlstruk
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
HYDROGENATION OF AROMATIC AMINES FROM PU DECOMPOSITION PROCESSES
Publication number
20240317674
Publication date
Sep 26, 2024
Evonik Operations GmbH
Stephan KOHLSTRUK
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING ISOCYANATES CONTAINING ALKOXYSILANE GROUPS
Publication number
20190300549
Publication date
Oct 3, 2019
EVONIK DEGUSSA GmbH
Manfred Kreczinski
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING ISOCYANATES CONTAINING ALKOXYSILANE GROUPS
Publication number
20190300553
Publication date
Oct 3, 2019
EVONIK DEGUSSA GmbH
Manfred Kreczinski
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING ISOCYANATES CONTAINING ALKOXYSILANE GROUPS
Publication number
20190300551
Publication date
Oct 3, 2019
EVONIK DEGUSSA GmbH
Manfred Kreczinski
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING ISOCYANATES CONTAINING ALKOXYSILANE GROUPS
Publication number
20190300550
Publication date
Oct 3, 2019
EVONIK DEGUSSA GmbH
Manfred Kreczinski
C07 - ORGANIC CHEMISTRY
Information
Patent Application
2-(3-(AMINOMETHYL)-3,5,5-TRIMETHYLCYCLOHEXYL)PROPANE-1,3-DIAMINE, A...
Publication number
20190106377
Publication date
Apr 11, 2019
EVONIK DEGUSSA GmbH
Alexander Martin RÜFER
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process For Preparing Amino Compounds From Nitrile Compounds
Publication number
20180339959
Publication date
Nov 29, 2018
EVONIK DEGUSSA GmbH
Anne Rittsteiger
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CATALYTIC OXIDATION OF 3,5,5-TRIMETHYLCYCLOHEXA-3-ENE-1-ONE (ß-ISOP...
Publication number
20180155264
Publication date
Jun 7, 2018
EVONIK DEGUSSA GmbH
Stephanie Bajus
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HARDENER COMPOSITION INCLUDING 2-(2,2,6,6-TETRAMETHYLPIPERIDIN-4-YL...
Publication number
20180093952
Publication date
Apr 5, 2018
EVONIK DEGUSSA GmbH
Alexander Martin Rüfer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING 3 AMINOMETHYL-3,5,5-TRIMETHYLCYCLOHEXYLAMINE
Publication number
20170362163
Publication date
Dec 21, 2017
EVONIK DEGUSSA GmbH
Stephan Kohlstruk
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR PRODUCING 2-(2,2,6,6-TETRAMETHYLPIPERIDIN-4-YL)PROPANE-...
Publication number
20170355674
Publication date
Dec 14, 2017
EVONIK DEGUSSA GmbH
Alexander Martin Rüfer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
EPOXY RESIN COMPOSITION COMPRISING 2-(2,2,6,6-TETRAMETHYLPIPERIDIN-...
Publication number
20170355808
Publication date
Dec 14, 2017
EVONIK DEGUSSA GmbH
Eike Langkabel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
EPOXY RESIN COMPOSITION COMPRISING 2-(3,3,5-TRIMETHYLCYCLOHEXYL)PRO...
Publication number
20170355810
Publication date
Dec 14, 2017
EVONIK DEGUSSA GmbH
Eike Langkabel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
2-(3,3,5-TRIMETHYLCYCLOHEXYL)PROPANE-1,3-DIAMINE, A PROCESS FOR ITS...
Publication number
20170355661
Publication date
Dec 14, 2017
EVONIK DEGUSSA GmbH
Alexander Martin Rüfer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
EPOXY RESIN COMPOSITION COMPRISING 2-(3-(AMINOMETHYL)-3,5,5-TRIMETH...
Publication number
20170355809
Publication date
Dec 14, 2017
EVONIK DEGUSSA GmbH
Eike Langkabel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
2-(3-(AMINOMETHYL)-3,5,5-TRIMETHYLCYCLOHEXYL)PROPANE-1,3-DIAMINE, A...
Publication number
20170355662
Publication date
Dec 14, 2017
EVONIK DEGUSSA GmbH
Alexander Martin Rüfer
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 PREPARING 3-AMINOMETHYL-3,5,5-TRIMETHYLCYCLOHEXYLAMINE
Publication number
20160289164
Publication date
Oct 6, 2016
EVONIK DEGUSSA GmbH
Stephan KOHLSTRUK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
MULTICOLOURED FUSED DEPOSITION MODELLING PRINT
Publication number
20160059488
Publication date
Mar 3, 2016
Evonik Roehm GmbH
Markus Pridoehl
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
PROCESS FOR THE ELECTROCHEMICAL PRODUCTION OF 2,2,4-TRIMETHYLADIPIC...
Publication number
20150225861
Publication date
Aug 13, 2015
Evonik Industries AG
Carl-Friedrich HOPPE
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
MULTICOLOUR EXTRUSION-BASED 3D PRINT PROCESS
Publication number
20140134334
Publication date
May 15, 2014
Evonik Industries AG
Markus PRIDOEHL
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
MULTICOLOURED FUSED DEPOSITION MODELLING PRINT
Publication number
20140088751
Publication date
Mar 27, 2014
Evonik Roehm GmbH
Markus Pridoehl
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
MULTICOLOURED FUSED DEPOSITION MODELLING PRINT
Publication number
20140079841
Publication date
Mar 20, 2014
Evonik Roehm GmbH
Markus Pridoehl
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
COMPOSITE SEMIFINISHED PRODUCTS, MOLDED PARTS PRODUCED THEREFROM, A...
Publication number
20130323993
Publication date
Dec 5, 2013
EVONIK DEGUSSA GmbH
Guenter Schmitt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING 1:1 ADDUCTS HAVING A LOW MONOMER CONTENT FROM...
Publication number
20110301345
Publication date
Dec 8, 2011
EVONIK DEGUSSA GmbH
Emmanouil Spyrou
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYOLEFIN GRAFT POLY(METH)ACRYLATE COPOLYMER-BASED ADHESION PROMOT...
Publication number
20110300322
Publication date
Dec 8, 2011
EVONIK DEGUSSA GmbH
Stephan Kohlstruk
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYOLEFIN GRAFT POLY(METH)ACRYLATE COPOLYMER-BASED PRIMING AGENT F...
Publication number
20110281054
Publication date
Nov 17, 2011
EVONIK DEGUSSA GmbH
Stephan Kohlstruk
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...