Yi Yuan

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Luyuan District Changchun, Jilin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for refining bio-based propylene glycol
- Patent number 11,578,024
- Issue date Feb 14, 2023
- Changchun Meihe Science and Technology Development Co., Ltd.
- Yi Yuan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bio-based MEG and polyester compositions and methods of making the...
- Patent number 11,352,463
- Issue date Jun 7, 2022
- CHANGCHUN MEIHE SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
- Haiyu Ren
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for increasing UV transmittance of ethylene glycol
- Patent number 10,836,696
- Issue date Nov 17, 2020
- The Coca-Cola Company
- Yi Yuan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REFINING BIO-BASED CRUDE ETHYLENE GLYCOL
- Publication number 20230295064
- Publication date Sep 21, 2023
- Changchun Meihe Science and Technology Development Co., Ltd.
- Yi Yuan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Refining Bio-Based Propylene Glycol
- Publication number 20230150904
- Publication date May 18, 2023
- Changchun Meihe Science and Technology Development Co., Ltd.
- Yi Yuan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Refining Bio-Based Propylene Glycol
- Publication number 20210371363
- Publication date Dec 2, 2021
- Changchun Meihe Science and Technology Development Co., Ltd.
- Yi Yuan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Refining Non-Petroleum Based Ethylene Glycol
- Publication number 20210340087
- Publication date Nov 4, 2021
- Changchun Meihe Science and Technology Development Co., Ltd.
- Yi Yuan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Increasing UV Transmittance of Ethylene Glycol
- Publication number 20190112248
- Publication date Apr 18, 2019
- CHANGCHUN MEIHE SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD.
- Yi Yuan
- C07 - ORGANIC CHEMISTRY