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last 30 patents
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Patent Grant
Multilayer composite material containing special polycarbonate comp...
Patent number
11,993,061
Issue date
May 28, 2024
Covestro Deutschland AG
Rolf Wehrmann
B32 - LAYERED PRODUCTS
Information
Patent Grant
Multilayer composite material containing special polycarbonate comp...
Patent number
11,505,665
Issue date
Nov 22, 2022
Covestro Deutschland AG
Rolf Wehrmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Graphite-containing polycarbonate compositions containing a new typ...
Patent number
11,279,812
Issue date
Mar 22, 2022
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate compositions containing a carboxylic acid and their g...
Patent number
10,934,415
Issue date
Mar 2, 2021
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Poycarbonate compositions containing isosorbide diesters
Patent number
10,676,613
Issue date
Jun 9, 2020
Covestro Deutschland AG
Helmut Werner Heuer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate compositions containing polyglycidyl ether
Patent number
10,669,418
Issue date
Jun 2, 2020
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Improving the flowability of thermoconductive polycarbonate composi...
Patent number
10,472,516
Issue date
Nov 12, 2019
COVERSTRO DEUTSCHLAND AG
Helmut Werner Heuer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copolycarbonate compositions with cyclic and linear oligomers and i...
Patent number
10,323,145
Issue date
Jun 18, 2019
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate compositions containing polyethylene wax
Patent number
10,189,941
Issue date
Jan 29, 2019
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Flowability of polycarbonate compositions
Patent number
10,119,009
Issue date
Nov 6, 2018
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Copolycarbonate compositions with branch structures and linear olig...
Patent number
9,969,879
Issue date
May 15, 2018
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-temperature (co)polycarbonates with improved rheological prope...
Patent number
9,783,673
Issue date
Oct 10, 2017
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-temperature (co)polycarbonates containing phthalimide and havi...
Patent number
9,718,951
Issue date
Aug 1, 2017
Covestro Deutschland AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer composition with heat-absorbing properties
Patent number
9,651,712
Issue date
May 16, 2017
Covestro Deutschland AG
Michael Erkelenz
G02 - OPTICS
Information
Patent Grant
Polycarbonate compositions having improved optical properties
Patent number
8,664,349
Issue date
Mar 4, 2014
Bayer MaterialScience AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer composition with heat-absorbing properties and high stability
Patent number
8,399,547
Issue date
Mar 19, 2013
Bayer MaterialScience AG
Alexander Meyer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Polycarbonate Compositions Containing Titanium Dioxide and Glass Fl...
Publication number
20240026074
Publication date
Jan 25, 2024
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Flame-Retardant, Titanium Dioxide-Containing Polycarbonate Composit...
Publication number
20240002658
Publication date
Jan 4, 2024
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polycarbonate Compositions Containing Titanium Dioxide and Epoxy Gr...
Publication number
20230416526
Publication date
Dec 28, 2023
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polycarbonate Compositions Containing Titanium Dioxide and Metal Ox...
Publication number
20230407044
Publication date
Dec 21, 2023
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polycarbonate Compositions Containing Polyethercarbonate Polyols
Publication number
20230151148
Publication date
May 18, 2023
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYCARBONATE COMPOSITIONS CONTAINING FILLERS AND TRIACYLGLYCEROL C...
Publication number
20230038482
Publication date
Feb 9, 2023
Covestro Intellectual Property GmbH & Co. KG
Helmut Werner HEUER
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MULTILAYER COMPOSITE MATERIAL CONTAINING SPECIAL POLYCARBONATE COMP...
Publication number
20220135754
Publication date
May 5, 2022
COVESTRO DEUTSCHLAND AG
Rolf WEHRMANN
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
MULTILAYER COMPOSITE MATERIAL CONTAINING SPECIAL POLYCARBONATE COMP...
Publication number
20220088906
Publication date
Mar 24, 2022
Covestro Intellectual Property GmbH & Co. KG
Rolf WEHRMANN
B32 - LAYERED PRODUCTS
Information
Patent Application
MULTILAYER COMPOSITE DESIGN MATERIAL HAVING SPECIAL POLYCARBONATE C...
Publication number
20220025134
Publication date
Jan 27, 2022
COVESTRO DEUTSCHLAND AG
Rolf WEHRMANN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
GRAPHITE-CONTAINING POLYCARBONATE COMPOSITIONS CONTAINING A NEW TYP...
Publication number
20210332216
Publication date
Oct 28, 2021
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MULTILAYER COMPOSITE MATERIAL CONTAINING SPECIAL POLYCARBONATE COMP...
Publication number
20200331247
Publication date
Oct 22, 2020
COVESTRO DEUTSCHLAND AG
Helmut Werner HEUER
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TRANSPARENT MOULDED PARTS HAVING REDUCED THICKNESS
Publication number
20190276597
Publication date
Sep 12, 2019
COVESTRO DEUTSCHLAND AG
Martin DÖBLER
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
MULTILAYER COMPOSITE MATERIAL CONTAINING SPECIAL POLYCARBONATE COMP...
Publication number
20190255825
Publication date
Aug 22, 2019
COVESTRO DEUTSCHLAND AG
Rolf WEHRMANN
B32 - LAYERED PRODUCTS
Information
Patent Application
POLYCARBONATE COMPOSITIONS CONTAINING A CARBOXYLIC ACID AND THEIR G...
Publication number
20190161576
Publication date
May 30, 2019
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE COMPOSITIONS CONTAINING A CARBOXYLIC ACID AND THEIR G...
Publication number
20190153199
Publication date
May 23, 2019
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POYCARBONATE COMPOSITIONS CONTAINING ISOSORBIDE DIESTERS
Publication number
20190136047
Publication date
May 9, 2019
COVESTRO DEUTSCHLAND AG
Helmut Werner HEUER
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYCARBONATE COMPOSITIONS CONTAINING POLYGLYCIDYL ETHER
Publication number
20180355167
Publication date
Dec 13, 2018
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
IMPACT-MODIFIED POLYCARBONATE COMPOSITIONS HAVING IMPROVED FLOWABIL...
Publication number
20180201755
Publication date
Jul 19, 2018
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
IMPROVING THE FLOWABILITY OF THERMOCONDUCTIVE POLYCARBONATE COMPOSI...
Publication number
20180201780
Publication date
Jul 19, 2018
Covestro Deutschland AG
Helmut Werner HEUER
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Copolycarbonate Compositions with Cyclic and Linear Oligomers and I...
Publication number
20180179378
Publication date
Jun 28, 2018
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FILLED POLYCARBONATE COMPOSITIONS HAVING IMPROVED FLOWABILITY AND G...
Publication number
20170362430
Publication date
Dec 21, 2017
COVESTRO DEUTSCHLAND AG
Helmut Werner HEUER
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COPOLYCARBONATE COMPOSITIONS WITH IMPROVED RHEOLOGICAL AND OPTICAL...
Publication number
20170362431
Publication date
Dec 21, 2017
COVESTRO DEUTSCHLAND AG
Rolf WEHRMANN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLOWABILITY OF POLYCARBONATE COMPOSITIONS
Publication number
20170362410
Publication date
Dec 21, 2017
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE COMPOSITIONS CONTAINING POLYETHYLENE WAX
Publication number
20170355816
Publication date
Dec 14, 2017
COVESTRO DEUTSCHLAND AG
Rolf WEHRMANN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Copolycarbonate Compositions with Branch Structures and Cyclic Olig...
Publication number
20170233571
Publication date
Aug 17, 2017
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Copolycarbonate Compositions with Branch Structures and Linear Olig...
Publication number
20170226340
Publication date
Aug 10, 2017
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COPOLYCARBONATE COMPOSITIONS WITH CYCLIC AND LINEAR OLIGOMERS AND I...
Publication number
20170218197
Publication date
Aug 3, 2017
COVESTRO DEUTSCHLAND AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH-TEMPERATURE (CO)POLYCARBONATES WITH IMPROVED RHEOLOGICAL PROPE...
Publication number
20160040009
Publication date
Feb 11, 2016
Bayer MaterialScience AG
Rolf WEHRNANN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH-TEMPERATURE (CO)POLYCARBONATES CONTAINING PHTHALIMIDE AND HAVI...
Publication number
20160040005
Publication date
Feb 11, 2016
Bayer MaterialScience AG
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE COMPOSITION WITH IMPROVED OPTICAL PROPERTIES
Publication number
20150299428
Publication date
Oct 22, 2015
Bayer Intellectual Property GmbH
Rolf Erfinder WEHRMANN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...