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Shanghai, CN
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Patents Grants
last 30 patents
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Patent Grant
Polyurethane foam and a polyurethane composite comprising the same
Patent number
10,793,663
Issue date
Oct 6, 2020
Covestro Deutschland AG
Wenping Wei
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PREPARING A RIGID POLYURETHANE FOAM
Publication number
20210380752
Publication date
Dec 9, 2021
COVESTRO DEUTSCHLAND AG
Wenping Wei
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RIGID POLYURETHANE FOAMS
Publication number
20210284817
Publication date
Sep 16, 2021
Covestro Intellectual Property GmbH & Co. KG
Yefen Wei
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RIGID POLYURETHANE FOAM SYSTEM AND APPLICATION THEREOF
Publication number
20210032398
Publication date
Feb 4, 2021
COVESTRO DEUTSCHLAND AG
Wenping Wei
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYURETHANE FOAM COMPOSITE PANEL
Publication number
20200362088
Publication date
Nov 19, 2020
COVESTRO DEUTSCHLAND AG
Wenping Wei
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
A POLYURETHANE FOAM AND A POLYURETHANE COMPOSITE COMPRISING THE SAME
Publication number
20190119430
Publication date
Apr 25, 2019
COVESTRO DEUTSCHLAND AG
Wenping Wei
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...