Chenggang HE

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Changzhou, Jiangsu, CN

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Patents Applicationslast 30 patents

Information Patent Application
A METHOD FOR DIRECT HYDROGENATION OF MALEIC ANHYDRIDE TO PRODUCE 1,...
- Publication number 20240208918
- Publication date Jun 27, 2024
- Changzhou Ruihua Chemical Engineering Techonology Co., Ltd.
- Juncheng ZHU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
LOW-PRESSURE DROP ETHYLBENZENE EVAPORATOR AND ENERGY-SAVING PROCESS...
- Publication number 20240207755
- Publication date Jun 27, 2024
- CHANGZHOU RUIHUA CHEMICAL ENGINEERING TECHNOLOGY CO., LTD.
- Chenggang HE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL