Denghui BAO

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Chiral spiro phosphorus-nirogen-sulphur tridentate ligand, preparat...
- Patent number 10,550,138
- Issue date Feb 4, 2020
- Qilin Zhou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Continuous synthesis method for ethoxymethylenemalononitrile
- Publication number 20220340517
- Publication date Oct 27, 2022
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Hao HONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CHIRAL SPIRO PHOSPHORUS-NIROGEN-SULPHUR TRIDENTATE LIGAND, PREPARAT...
- Publication number 20180141966
- Publication date May 24, 2018
- ZHEJIANG JIUZHOU PHARMACEUTICAL CO., LTD.
- Qilin ZHOU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL