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Wolfgang Friederichs
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Cologne, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Polyurethane foam and method for producing same
Patent number
9,834,655
Issue date
Dec 5, 2017
CONVESTRO DEUTSCHLAND AG
Dirk Steinmeister
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing a foamed material,composition in the form of...
Patent number
9,403,958
Issue date
Aug 2, 2016
Covestro Deutschland AG
Stefan Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing a polyurethane foam by means of supercritical...
Patent number
9,139,683
Issue date
Sep 22, 2015
Bayer MaterialScience AG
Stefan Lindner
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing a polyurethane foam and polyurethane foam obt...
Patent number
9,023,909
Issue date
May 5, 2015
Bayer MaterialScience AG
Stefan Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and mixing head for producing a reaction mixture from an iso...
Patent number
6,297,342
Issue date
Oct 2, 2001
Bayer Aktiengesellschaft
Klaus Schulte
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for the preparation of highly pure aromatic diurethanes and...
Patent number
5,399,736
Issue date
Mar 21, 1995
Bayer Aktiengesellschaft
Wolfgang Friederichs
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for isolating polyisocyanate isomers from polyisocyanate mi...
Patent number
5,300,616
Issue date
Apr 5, 1994
Bayer Aktiengesellschaft
Wolfgang Friederichs
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polyisocyanates
Patent number
5,043,471
Issue date
Aug 27, 1991
Bayer Aktiengesellschaft
Gunter Hammen
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
POLYURETHANE FOAM AND PROCESS FOR PRODUCING SAME
Publication number
20160264749
Publication date
Sep 15, 2016
COVESTRO DEUTSCHLAND AG
Stefan LINDNER
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING A POLYURETHANE FOAM AND POLYURETHANE FOAM OBT...
Publication number
20150232629
Publication date
Aug 20, 2015
Bayer MaterialScience AG
Stefan LINDNER
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
REACTION SYSTEM FOR PRODUCING PUR AND PIR HARD FOAM MATERIALS CONTA...
Publication number
20150232630
Publication date
Aug 20, 2015
Bayer MaterialScience AG
Stefan Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING A FOAMED MATERIAL,COMPOSITION IN THE FORM OF A...
Publication number
20140107239
Publication date
Apr 17, 2014
Bayer Intellectual Property GmbH Creative Campus Monheim
Stefan Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYURETHANE FOAM AND METHOD FOR PRODUCING SAME
Publication number
20140066534
Publication date
Mar 6, 2014
Bayer Intellectual Property GmbH
Dirk Steinmeister
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYURETHANE FOAM AND METHOD FOR PRODUCING SAME
Publication number
20140045960
Publication date
Feb 13, 2014
Bayer Intellectual Property GmbH Creative Campus Monheim
Stefan Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
REACTION MIXTURE IN THE FORM OF AN EMULSION AND PROCESS FOR PRODUCT...
Publication number
20140011897
Publication date
Jan 9, 2014
Bayer Intellectual Property GmbH
Wolfgang Friederichs
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING A POLYURETHANE FOAM BY MEANS OF SUPERCRITICAL...
Publication number
20120245243
Publication date
Sep 27, 2012
Bayer Intellectual Property GmbH
Stefan Lindner
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING A POLYURETHANE FOAM AND POLYURETHANE FOAM OBTA...
Publication number
20120238655
Publication date
Sep 20, 2012
Bayer Intellectual Property GmbH
Stefan Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR THE TREATMENT OF POLYURETHANE FOAM WITH MICROWAVE RADIATION
Publication number
20090227694
Publication date
Sep 10, 2009
Bayer MaterialScience AG
Frithjof Hannig
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Process for the preparation of polyols and/or polyamines from polyu...
Publication number
20080047824
Publication date
Feb 28, 2008
Hartmut Nefzger
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Process for the preparation of polyisocyanates containing carbodiim...
Publication number
20070135608
Publication date
Jun 14, 2007
Bayer MaterialScience AG
Frithjof Hannig
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Door elements with polyurethane foams for radiation protection
Publication number
20060062992
Publication date
Mar 23, 2006
Bayer MaterialScience AG
Thorsten Dreier
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Prepolymers useful for production of flame-retardant polyurethanes
Publication number
20030092786
Publication date
May 15, 2003
Ingo Brassat
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...