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Christian Steinlein
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Ratingen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing high molecular weight polyoxyalkylene polyols
Patent number
10,457,775
Issue date
Oct 29, 2019
Covestro Deutschland AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing high molecular weight polyether polyols
Patent number
9,139,691
Issue date
Sep 22, 2015
Bayer Intellectual Property GmbH
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Double metal cyanide catalysts for producing polyether polyols
Patent number
6,919,293
Issue date
Jul 19, 2005
Bayer Aktiengesellschaft
Pieter Ooms
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aliphatic polycarbonate homo-and co-polymers produced by DMC cataly...
Patent number
6,806,345
Issue date
Oct 19, 2004
Bayer Aktiengesellschaft
Jörg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyether polyols
Patent number
6,776,925
Issue date
Aug 17, 2004
Bayer Aktiengesellschaft
Jörg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyether polyols
Patent number
6,670,406
Issue date
Dec 30, 2003
Bayer Aktiengesellschaft
Jörg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aliphatic polycarbonate homo-and co-polymers produced by DMC cataly...
Patent number
6,646,100
Issue date
Nov 11, 2003
Bayer Aktiengesellschaft
Jörg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing polyether polyols
Patent number
6,486,361
Issue date
Nov 26, 2002
Bayer Aktiengesellschaft
Stephan Ehlers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing a dinitronaphthalene-isomer mixture having a h...
Patent number
6,242,656
Issue date
Jun 5, 2001
Bayer Aktiengesellschaft
Christian Steinlein
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING HIGH MOLECULAR WEIGHT POLYOXYALKYLENE POLYOLS
Publication number
20180244842
Publication date
Aug 30, 2018
COVESTRO DEUTSCHLAND AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PREPARING HIGH MOLECULAR WEIGHT POLYETHER POLYOLS
Publication number
20140142344
Publication date
May 22, 2014
BAYER INTELLECTUAL ROPERTY GMBH
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Processes for preparing ethylene oxide-capped polyols
Publication number
20040064001
Publication date
Apr 1, 2004
Stephan Ehlers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Aliphatic polycarbonate homo-and co-polymers produced by DMC cataly...
Publication number
20040044174
Publication date
Mar 4, 2004
Jorg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Aliphatic polycarbonate homo-and co-polymers produced by DMC cataly...
Publication number
20030032761
Publication date
Feb 13, 2003
Jorg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing polyether polyols
Publication number
20020198278
Publication date
Dec 26, 2002
Jorg Hofmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for the preparation of polyether polyols
Publication number
20020169229
Publication date
Nov 14, 2002
Jorg Hofmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL