Hans-Georg Pirkl

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing polyether carbonate polyols
- Patent number 10,125,217
- Issue date Nov 13, 2018
- Covestro Deutschland AG
- Jörg Hofmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lightly modified prepolymers and uses thereof
- Patent number 9,487,616
- Issue date Nov 8, 2016
- Covestro Deutschland AG
- Hans-Georg Pirkl
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process for producing aromatic amines
- Patent number 9,067,864
- Issue date Jun 30, 2015
- Bayer MaterialScience AG
- Knut Sommer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing polyurethane prepolymers containing isocyanate...
- Patent number 8,835,591
- Issue date Sep 16, 2014
- Bayer Intellectual Property GmbH
- Hans-Georg Pirkl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of liquid, storage-stable organic isocy...
- Patent number 8,022,200
- Issue date Sep 20, 2011
- Bayer MaterialScience AG
- Stefan Wershofen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of liquid, storage-stable organic isocya...
- Patent number 7,745,659
- Issue date Jun 29, 2010
- Bayer MaterialScience AG
- Stefan Wershofen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and device for determining the isomer composition in isocyan...
- Patent number 7,662,634
- Issue date Feb 16, 2010
- Bayer MaterialScience AG
- Jochen Mahrenholtz
- G01 - MEASURING TESTING
Information Patent Grant
Process for the production of very pure 2,4′-methylenediphenyl diis...
- Patent number 7,495,124
- Issue date Feb 24, 2009
- Bayer MaterialScience AG
- Hans-Georg Pirkl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polyamines of the diphenylmethane se...
- Patent number 7,253,321
- Issue date Aug 7, 2007
- Bayer MaterialScience AG
- Torsten Hagen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyisocyanates of the diphenylmethan...
- Patent number 7,041,776
- Issue date May 9, 2006
- Bayer Aktiengesellschaft
- Daniel Koch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of mixtures of diisocyanates and polyisocyanates from th...
- Patent number 7,038,002
- Issue date May 2, 2006
- Bayer MaterialScience AG
- Hans-Georg Pirkl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of diaminodiphenylmethanes
- Patent number 6,649,798
- Issue date Nov 18, 2003
- Bayer Aktiengesellschaft
- Stephan Klein
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
USE OF POLYETHER CARBONATE POLYOLS FOR PRODUCING POLYURETHANE FOAMS...
- Publication number 20180237577
- Publication date Aug 23, 2018
- COVESTRO DEUTSCHLAND AG
- Lutz Brassat
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS
- Publication number 20160264727
- Publication date Sep 15, 2016
- COVESTRO DEUTSCHLAND AG
- Jöerg Hofmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAMS WITH HIGH COMFORT...
- Publication number 20150307647
- Publication date Oct 29, 2015
- Bayer MaterialScience AG
- Gundolf JACOBS
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SLIGHTLY MODIFIED PREPOLYMERS AND THEIR USES
- Publication number 20130183880
- Publication date Jul 18, 2013
- Bayer Intellectual Property GmbH
- Hans-Georg Pirkl
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PREPARING POLYURETHANE PREPOLYMERS CONTAINING ISOCYANAT...
- Publication number 20130158291
- Publication date Jun 20, 2013
- Bayer Intellectual Property GmbH
- Hans-Georg Pirkl
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYURETHANES AND USE THEREOF
- Publication number 20120202945
- Publication date Aug 9, 2012
- Baulé S.A.S.
- Manfred Schmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing aromatic amines
- Publication number 20080234518
- Publication date Sep 25, 2008
- Knut Sommer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the preparation of polyamines of the diphenylmethane se...
- Publication number 20060287555
- Publication date Dec 21, 2006
- Torsten Hagen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for the production of liquid, storage-stable organic isocya...
- Publication number 20060128928
- Publication date Jun 15, 2006
- Bayer MaterialScience AG
- Stefan Wershofen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for the preparation of liquid, storage-stable organic isocy...
- Publication number 20060025557
- Publication date Feb 2, 2006
- Stefan Wershofen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for the production of very pure 2,4'-methylenediphenyl diis...
- Publication number 20050222291
- Publication date Oct 6, 2005
- Hans-Georg Pirkl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Production of mixtures of diisocyanates and polyisocyanates from th...
- Publication number 20050020797
- Publication date Jan 27, 2005
- Hans-Georg Pirkl
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method and device for determining the isomer composition in isocyan...
- Publication number 20050003553
- Publication date Jan 6, 2005
- Jochen Mahrenholtz
- G01 - MEASURING TESTING
Information Patent Application
Process for the production of polyisocyanates of the diphenylmethan...
- Publication number 20040092701
- Publication date May 13, 2004
- Daniel Koch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for production of diaminodiphenylmethanes
- Publication number 20030023116
- Publication date Jan 30, 2003
- Stephan Klein
- C07 - ORGANIC CHEMISTRY

Hans-Georg Pirkl

Person

Patents Grantslast 30 patents

Method for producing polyether carbonate polyols

Lightly modified prepolymers and uses thereof

Process for producing aromatic amines

Method for preparing polyurethane prepolymers containing isocyanate...

Process for the preparation of liquid, storage-stable organic isocy...

Process for the production of liquid, storage-stable organic isocya...

Method and device for determining the isomer composition in isocyan...

Process for the production of very pure 2,4′-methylenediphenyl diis...

Process for the preparation of polyamines of the diphenylmethane se...

Process for the production of polyisocyanates of the diphenylmethan...

Production of mixtures of diisocyanates and polyisocyanates from th...

Method for production of diaminodiphenylmethanes

Patents Applicationslast 30 patents

USE OF POLYETHER CARBONATE POLYOLS FOR PRODUCING POLYURETHANE FOAMS...

METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS

PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAMS WITH HIGH COMFORT...

SLIGHTLY MODIFIED PREPOLYMERS AND THEIR USES

PROCESS FOR PREPARING POLYURETHANE PREPOLYMERS CONTAINING ISOCYANAT...

POLYURETHANES AND USE THEREOF

Process for producing aromatic amines

Process for the preparation of polyamines of the diphenylmethane se...

Process for the production of liquid, storage-stable organic isocya...

Process for the preparation of liquid, storage-stable organic isocy...

Process for the production of very pure 2,4'-methylenediphenyl diis...

Production of mixtures of diisocyanates and polyisocyanates from th...

Method and device for determining the isomer composition in isocyan...

Process for the production of polyisocyanates of the diphenylmethan...

Method for production of diaminodiphenylmethanes