Wanjin YU

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Hangzhou, Zhejiang Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing 2-chloro-5-trifluoromethylpyridine
- Patent number 11,254,642
- Issue date Feb 22, 2022
- ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD.
- Wanjin Yu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing 2,3-dichloro-5-trifluoromethylpyridine with hi...
- Patent number 11,186,546
- Issue date Nov 30, 2021
- ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD.
- Wanjin Yu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING 2,3,3,3-TETRAFLUOROPROPENE
- Publication number 20240208887
- Publication date Jun 27, 2024
- Zhejiang Research Institute of Chemical Industry Co., Ltd.
- Minyang LIU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING 2,3-DICHLORO-5-TRIFLUOROMETHYLPYRIDINE WITH HI...
- Publication number 20220002249
- Publication date Jan 6, 2022
- ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD.
- Wanjin YU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING 2-CHLORO-5-TRIFLUOROMETHYLPYRIDINE
- Publication number 20210139428
- Publication date May 13, 2021
- ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD.
- Wanjin YU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING 2,3-DICHLORO-5-TRIFLUOROMETHYLPYRIDINE WITH HI...
- Publication number 20200102273
- Publication date Apr 2, 2020
- Zhenjiang Lantian Environmental Protection Hi-Tech Co., Ltd.
- Wanjin YU
- C07 - ORGANIC CHEMISTRY