Chengqun QIN

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Stable dispersant and application thereof in preparing copolymer po...
- Patent number 11,945,775
- Issue date Apr 2, 2024
- WANHUA CHEMICAL GROUP CO., LTD
- Fuguo Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Macromonomeric stabilizer, preparation method thereof, and method f...
- Patent number 11,795,265
- Issue date Oct 24, 2023
- WANHUA CHEMICAL GROUP CO., LTD
- Fuguo Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified polyether polyol and use thereof in polyurethane foam mate...
- Patent number 11,780,954
- Issue date Oct 10, 2023
- WANHUA CHEMICAL GROUP CO., LTD
- Fuguo Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
REACTION SYSTEM FOR PREPARING POLYMER POLYOL AND METHOD FOR PREPARI...
- Publication number 20230151134
- Publication date May 18, 2023
- WANHUA CHEMICAL GROUP CO., LTD.
- Fuguo LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
STABLE DISPERSANT AND APPLICATION THEREOF IN PREPARING COPOLYMER PO...
- Publication number 20220017448
- Publication date Jan 20, 2022
- WANHUA CHEMICAL GROUP CO., LTD.
- Fuguo LI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MACROMONOMERIC STABILIZER, PREPARATION METHOD THEREOF, AND METHOD F...
- Publication number 20220017682
- Publication date Jan 20, 2022
- WANHUA CHEMICAL GROUP CO., LTD.
- Fuguo LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MODIFIED POLYETHER POLYOL AND USE THEREOF IN POLYURETHANE FOAM MATE...
- Publication number 20210355263
- Publication date Nov 18, 2021
- WANHUA CHEMICAL GROUP CO., LTD.
- Fuguo LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...