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Klaus Lorenz
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Dormagen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing polyoxyalkylene polyester polyols
Patent number
12,227,614
Issue date
Feb 18, 2025
Covestro Deutschland AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyoxyalkylene-polyol mixtures
Patent number
12,091,543
Issue date
Sep 17, 2024
Covestro Intellectual Property GmbH & Co. KG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing a polyoxyalkylene polyester polyol
Patent number
12,054,581
Issue date
Aug 6, 2024
Covestro Intellectual Property GmbH & Co. KG
Elisabeth Vogelsang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing double metal cyanide catalysts
Patent number
11,976,165
Issue date
May 7, 2024
Covestro Deutschland AG
Joerg Hofmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Drying agent for moisture-curing compositions
Patent number
11,965,056
Issue date
Apr 23, 2024
Covestro Intellectual Property GmbH & Co. KG
Christoph Thiebes
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyurethane foams based on polyethercarbonate polyols
Patent number
11,345,775
Issue date
May 31, 2022
Covestro Deutschland AG
Bert Klesczewski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
PUR/PIR rigid foams made of polyaddition oligoesters
Patent number
10,982,039
Issue date
Apr 20, 2021
Covestro Deutschland AG
Hartmut Nefzger
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method for the preparation of polyoxyalkylene polyols
Patent number
10,961,346
Issue date
Mar 30, 2021
Covestro Deutschland AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composite components on the basis of hydrophobic polyols
Patent number
10,787,550
Issue date
Sep 29, 2020
Covestro Deutschland AG
Stefan Lindner
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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
Rigid PUR/PIR foams of isopropylidenediphenol-based polyethers
Patent number
10,253,134
Issue date
Apr 9, 2019
Covestro Deutschland AG
Hartmut Nefzger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for working up alkaline polyether polyols
Patent number
10,131,743
Issue date
Nov 20, 2018
Covestro Deutschland AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydroxy-aminopolymers and method for producing same
Patent number
9,994,672
Issue date
Jun 12, 2018
Covestro Deutschland AG
Klaus Lorenz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Etherified lactate esters, method for the production thereof and us...
Patent number
9,826,734
Issue date
Nov 28, 2017
Clariant International Ltd.
Peter Baur
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxy amino polymer and use thereof in polyurea/polyurethane tiss...
Patent number
9,757,492
Issue date
Sep 12, 2017
Adhesys Medical GmbH
Heike Heckroth
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of urethane alcohols for preparation of polyether polyols
Patent number
9,714,216
Issue date
Jul 25, 2017
Covestro Deutschland AG
Jörg Hofmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxy amino polymer and use thereof in polyurea/polyurethane tiss...
Patent number
9,580,540
Issue date
Feb 28, 2017
Adhesys Medical GmbH
Heike Heckroth
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Isocyanate-functional prepolymer for a biologically degradable fabr...
Patent number
9,468,701
Issue date
Oct 18, 2016
Adhesys Medical GmbH
Heike Heckroth
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Isocyanate-functional prepolymer for a biologically degradable fabr...
Patent number
9,375,509
Issue date
Jun 28, 2016
Medical Adhesive Revolution GmbH
Heike Heckroth
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the preparation of polyricinoleic acid ester polyols ha...
Patent number
9,328,196
Issue date
May 3, 2016
Bayer MaterialScience AG
Hartmut Nefzger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyether-ester polyols
Patent number
9,284,401
Issue date
Mar 15, 2016
Bayer MaterialScience LLC
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydroxylamino polymer and method for the production thereof
Patent number
9,238,711
Issue date
Jan 19, 2016
Bayer Intellectual Property GmbH
Jorg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyester polyols having secondary OH end groups
Patent number
9,193,822
Issue date
Nov 24, 2015
Bayer MaterialScience AG
Hartmut Nefzger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the preparation of polyether polyols
Patent number
9,169,185
Issue date
Oct 27, 2015
Bayer Intellectual Property GmbH
Klaus Lorenz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of a polyurethane polymer with secondar...
Patent number
9,139,685
Issue date
Sep 22, 2015
Bayer MaterialScience AG
Hartmut Nefzger
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
Process for producing polyether polyols having primary hydroxyl end...
Patent number
9,029,495
Issue date
May 12, 2015
Bayer MaterialScience AG
Hartmut Nefzger
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing polyether polyols
Patent number
9,006,499
Issue date
Apr 14, 2015
Bayer MaterialScience AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing polyether polyols
Patent number
8,987,529
Issue date
Mar 24, 2015
Bayer MaterialScience AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyols
Patent number
8,865,945
Issue date
Oct 21, 2014
Bayer MaterialScience AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PREPARING POLYOXYALKYLENE POLYESTER POLYOLS
Publication number
20250019486
Publication date
Jan 16, 2025
COVESTRO DEUTSCHLAND AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for Producing Polyurethane Foams or Hydrogels by Employing D...
Publication number
20230416446
Publication date
Dec 28, 2023
COVESTRO DEUTSCHLAND AG
James A. Thompson-Colon
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PRODUCTION PROCESS FOR AMINO ALCOHOLATES
Publication number
20230203067
Publication date
Jun 29, 2023
COVESTRO DEUTSCHLAND AG
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING A POLYOXYALKYLENE CARBONATE POLYOL
Publication number
20230174705
Publication date
Jun 8, 2023
COVESTRO DEUTSCHLAND AG
Elisabeth Vogelsang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING DOUBLE METAL CYANIDE CATALYSTS
Publication number
20230038100
Publication date
Feb 9, 2023
COVESTRO DEUTSCHLAND AG
Joerg HOFMANN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING POLYOXYALKYLENE POLYESTER POLYOLS
Publication number
20230002552
Publication date
Jan 5, 2023
Covestro Intellectual Property GmbH & Co. KG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING POLYOXYALKYLENE-POLYOL MIXTURES
Publication number
20220220304
Publication date
Jul 14, 2022
Covestro Intellectual Property GmbH & Co. KG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AMINE-INITIATED POLYOLS AS NON-EMISSIVE CATALYSTS IN HR FOAM
Publication number
20220213255
Publication date
Jul 7, 2022
Covestro Intellectual Property GmbH & Co. & KG
Stefan Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING A POLYOXYALKYLENE POLYESTER POLYOL
Publication number
20220033575
Publication date
Feb 3, 2022
Covestro Intellectual Property GmbH & Co. KG
Elisabeth Vogelsang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DRYING AGENT FOR MOISTURE-CURING COMPOSITIONS
Publication number
20210317253
Publication date
Oct 14, 2021
Covestro Intellectual Property GmbH & Co. KG
Christoph Thiebes
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PROCESS FOR PRODUCING POLYOL
Publication number
20210171426
Publication date
Jun 10, 2021
Covestro Intellectual Property GmbH & Co. KG
Hartmut Nefzger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYURETHANE FOAMS BASED ON POLYETHER CARBONATE POLYOLS
Publication number
20210070916
Publication date
Mar 11, 2021
Covestro Intellectual Property GmbH & Co. KG
Persefoni Hilken
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR THE PREPARATION OF POLYOXYALKYLENE POLYOLS
Publication number
20190161577
Publication date
May 30, 2019
COVESTRO DEUTSCHLAND AG
Klaus LORENZ
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PUR/PIR RIGID FOAMS MADE OF POLYADDITION OLIGOESTERS
Publication number
20180334530
Publication date
Nov 22, 2018
COVESTRO DEUTSCHLAND AG
Hartmut Nefzger
B32 - LAYERED PRODUCTS
Information
Patent Application
POLYURETHANE FOAMS BASED ON POLYETHERCARBONATE POLYOLS
Publication number
20180273674
Publication date
Sep 27, 2018
Bert Klesczewski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
RIGID PUR/PIR FOAMS OF ISOPROPYLIDENEDIPHENOL-BASED POLYETHERS
Publication number
20180171062
Publication date
Jun 21, 2018
Covestro Deutschland AG
Hartmut Nefzger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COMPOSITE COMPONENTS ON THE BASIS OF HYDROPHOBIC POLYOLS
Publication number
20170152354
Publication date
Jun 1, 2017
COVESTRO DEUTSCHLAND AG
Stefan Lindner
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
HYDROXY AMINO POLYMER AND USE THEREOF IN POLYUREA/POLYURETHANE TISS...
Publication number
20170119921
Publication date
May 4, 2017
Heike Heckroth
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHOD FOR WORKING UP ALKALINE POLYETHER POLYOLS
Publication number
20160369051
Publication date
Dec 22, 2016
Bayer MaterialScience AG
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
USE OF URETHANE ALCOHOLS FOR PREPARATION OF POLYETHER POLYOLS
Publication number
20160264519
Publication date
Sep 15, 2016
COVESTRO DEUTSCHLAND AG
Jörg HOFMANN
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ISOCYANATE-FUNCTIONAL PREPOLYMER FOR A BIOLOGICALLY DEGRADABLE FABR...
Publication number
20160256595
Publication date
Sep 8, 2016
Medical Adhesive Revolution GmbH
Heike Heckroth
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HYDROXYLAMINO POLYMER AND METHOD FOR THE PRODUCTION THEREOF
Publication number
20150080535
Publication date
Mar 19, 2015
BAYER INTELLECTUAL PROPERTY GmbH
Jörg Hofmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HYDROXY AMINO POLYMER AND USE THEREOF IN POLYUREA/POLYURETHANE TISS...
Publication number
20140341835
Publication date
Nov 20, 2014
Heike Heckroth
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HYDROXY-AMINOPOLYMERS AND METHOD FOR PRODUCING THE SAME
Publication number
20140329972
Publication date
Nov 6, 2014
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING POLYETHER ESTER POLYOLS
Publication number
20140329985
Publication date
Nov 6, 2014
Klaus Lorenz
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
ISOCYANATE-FUNCTIONAL PREPOLYMER FOR A BIOLOGICALLY DEGRADABLE FABR...
Publication number
20140316076
Publication date
Oct 23, 2014
Heike Heckroth
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ETHERIFIED LACTATE ESTERS, METHOD FOR THE PRODUCTION THEREOF AND US...
Publication number
20140316157
Publication date
Oct 23, 2014
Bayer Intellectual Property GmbH
Peter Baur
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
PROCESS FOR PREPARING POLYETHER POLYOLS
Publication number
20140243559
Publication date
Aug 28, 2014
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PREPARING POLYETHER POLYOLS
Publication number
20140243560
Publication date
Aug 28, 2014
Klaus Lorenz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...