Changchun Meihe Science and Technology Development Co., LTD
Patent Applications and Registrations
Patent applications and USPTO patent grants for Changchun Meihe Science and Technology Development Co., LTD.The latest application filed is for "methods for preparing diol".
- Changchun Meihe Science and Technology Development Co., LTD - Jilin N/A CN
- CHANGCHUN MEIHE SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. - Luyuan District Changchun, Jilin N/A CN
- CHANGCHUN MEIHE SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. - Jilin CN
| Patent | Date |
|---|---|
| Acid-resistant alloy catalyst Grant 10,940,465 - Liu , et al. March 9, 2 | 2021-03-09 |
| Method for increasing UV transmittance of ethylene glycol Grant 10,836,696 - Yuan , et al. November 17, 2 | 2020-11-17 |
| Acid-Resistant Alloy Catalyst App 20200254427A1 - | 2020-08-13 |
| Acid-Resistant Alloy Catalyst App 20200215519A1 - | 2020-07-09 |
| Acid-resistant alloy catalyst Grant 10,556,226 - Liu , et al. Feb | 2020-02-11 |
| Methods for Preparing Diol App 20190359548 - Liu; Jing ; et al. | 2019-11-28 |
| Methods for preparing diol Grant 10,464,870 - Liu , et al. No | 2019-11-05 |
| Bio-based Meg And Polyester Compositions And Methods Of Making The Same App 20190330417 - Ren; Haiyu ; et al. | 2019-10-31 |
| Method for Increasing UV Transmittance of Ethylene Glycol App 20190112248 - Yuan; Yi ; et al. | 2019-04-18 |
| Methods for Preparing Diol App 20170210687 - Liu; Jing ; et al. | 2017-07-27 |
| Acid-Resistant Alloy Catalyst App 20170203283 - Liu; Jing ; et al. | 2017-07-20 |
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