Dongzhao HAN

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Gansu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of recycling mother liquid of pure terephthalic acid (PTA) r...
- Patent number 10,787,411
- Issue date Sep 29, 2020
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD
- Xu Zhao
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF RECYCLING MOTHER LIQUID OF PTA REFINING UNIT
- Publication number 20190225569
- Publication date Jul 25, 2019
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD.
- Xu ZHAO
- C07 - ORGANIC CHEMISTRY