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Luyuan District Changchun, Jilin, CN
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Patents Grants
last 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 Applications
last 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