Qingfei GUO

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Liaocheng, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method for insoluble sulfur and anti-reversion stabiliz...
- Patent number 11,427,469
- Issue date Aug 30, 2022
- SHANDONG YANGGU HUATAI CHEMICAL CO, LTD.
- Mengcheng Du
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD FOR INSOLUBLE SULFUR AND ANTI-REVERSION STABILIZ...
- Publication number 20210269309
- Publication date Sep 2, 2021
- SHANDONG YANGGU HUATAI CHEMICAL CO., LTD.
- Mengcheng DU
- C01 - INORGANIC CHEMISTRY