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Patents Grantslast 30 patents

Information Patent Grant
Method for refining styrene by using combined falling film reboiler...
- Patent number 12,121,835
- Issue date Oct 22, 2024
- Changzhou Ruihua Chemical Engineering Technology Co., Ltd.
- Jing Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR PRODUCING HIGH-PRESSURE OR SUPER HIGH-PRESSUR...
- Publication number 20240410567
- Publication date Dec 12, 2024
- CHANGZHOU RUIHUA CHEMICAL ENGINEERING TECHNOLOGY CO., LTD.
- Feike WU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR REFINING STYRENE BY USING COMBINED FALLING FILM REBOILER...
- Publication number 20240238694
- Publication date Jul 18, 2024
- Changzhou Ruihua Chemical Engineering Technology Co., Ltd.
- Jing ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL