Christian Steffens

Person

Koln, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing an isocyanate by partly adiabatic phosgenatio...
- Patent number 10,875,827
- Issue date Dec 29, 2020
- Covestro Deutschland AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing an isocyanate by partly adiabatically operate...
- Patent number 10,851,048
- Issue date Dec 1, 2020
- Covestro Deutschland AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for providing hydrogen chloride for chemical reactions
- Patent number 10,815,193
- Issue date Oct 27, 2020
- Covestro Deutschland AG
- Jan Busch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparing polyisocyanates
- Patent number 10,112,892
- Issue date Oct 30, 2018
- Covestro Deutschland AG
- Jürgen Arras
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing diisocyanates by phosgenating diamine suspensions
- Patent number 9,272,988
- Issue date Mar 1, 2016
- Covestro Deutschland AG
- Jörg Laue
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and mixing unit for the preparation of isocyanates by phosg...
- Patent number 8,079,752
- Issue date Dec 20, 2011
- Bayer MaterialScience AG
- Andreas Rausch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of light-colored isocyanates
- Patent number 7,368,595
- Issue date May 6, 2008
- Bayer MaterialScience AG
- Stefan Wershofen
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING AN ISOCYANATE BY PARTLY ADIABATICALLY OPERATE...
- Publication number 20200148630
- Publication date May 14, 2020
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING AN ISOCYANATE BY PARTLY ADIABATICALLY OPERATE...
- Publication number 20200148629
- Publication date May 14, 2020
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PROVIDING HYDROGEN CHLORIDE FOR CHEMICAL REACTIONS
- Publication number 20180186729
- Publication date Jul 5, 2018
- COVESTRO DEUTSCHLAND AG
- Jan Busch
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING POLYISOCYANATES
- Publication number 20180179150
- Publication date Jun 28, 2018
- COVESTRO DEUTSCHLAND AG
- Jürgen Arras
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING DIISOCYANATES BY PHOSGENATING DIAMINE SUSPENSIONS
- Publication number 20150246873
- Publication date Sep 3, 2015
- Bayer MaterialScience AG
- Jörg Laue
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process and mixing unit for the preparation of isocyanates by phosg...
- Publication number 20090175121
- Publication date Jul 9, 2009
- Bayer MaterialScience AG
- Andreas Rausch
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the production of light-colored isocyanates
- Publication number 20070167646
- Publication date Jul 19, 2007
- Stefen Wershofen
- C07 - ORGANIC CHEMISTRY

Christian Steffens

Person

Patents Grantslast 30 patents

Process for preparing an isocyanate by partly adiabatic phosgenatio...

Process for preparing an isocyanate by partly adiabatically operate...

Process for providing hydrogen chloride for chemical reactions

Process for preparing polyisocyanates

Method for producing diisocyanates by phosgenating diamine suspensions

Process and mixing unit for the preparation of isocyanates by phosg...

Process for the production of light-colored isocyanates

Patents Applicationslast 30 patents

PROCESS FOR PREPARING AN ISOCYANATE BY PARTLY ADIABATICALLY OPERATE...

PROCESS FOR PREPARING AN ISOCYANATE BY PARTLY ADIABATICALLY OPERATE...

PROCESS FOR PROVIDING HYDROGEN CHLORIDE FOR CHEMICAL REACTIONS

PROCESS FOR PREPARING POLYISOCYANATES

METHOD FOR PRODUCING DIISOCYANATES BY PHOSGENATING DIAMINE SUSPENSIONS

Process and mixing unit for the preparation of isocyanates by phosg...

Process for the production of light-colored isocyanates