Weixin Qi

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Huaian City, CN

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Patents Grantslast 30 patents

Information Patent Grant
One method of producing polyether polymer dispersant and polyether...
- Patent number 11,673,987
- Issue date Jun 13, 2023
- Huaian Bud Polyurethane Science & Technology Co., Ltd
- Weixin Qi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for cyclically preparing polyether polyol by using DMC catalyst
- Patent number 10,479,863
- Issue date Nov 19, 2019
- HUAIAN BUD POLYURETHANE SCIENCE & TECHNOLOGY CO., LTD
- Weixin Qi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
One Method of Producing Polyether Polymer Dispersant and Polyether...
- Publication number 20210087318
- Publication date Mar 25, 2021
- Weixin Qi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method For Cyclically Preparing Polyether Polyol By Using DMC Catalyst
- Publication number 20180171073
- Publication date Jun 21, 2018
- Huaian Bud Polyurethane Science & Technology Co., Ltd.
- Weixin Qi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...