Guohai ZHANG

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Gansu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device for reducing pressure fluctuation of pressure filter frame a...
- Patent number 11,202,979
- Issue date Dec 21, 2021
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD
- Xu Zhao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Test device and test method for rotary pressurized filter and metho...
- Patent number 11,099,114
- Issue date Aug 24, 2021
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD
- Xu Zhao
- G01 - MEASURING TESTING
Information Patent Grant
CTA solvent exchanging method
- Patent number 10,906,858
- Issue date Feb 2, 2021
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD
- Xu Zhao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Solvent exchanger and method for improving the exchange efficiency...
- Patent number 10,273,198
- Issue date Apr 30, 2019
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD
- Xu Zhao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for processing acetic acid solvent in oxidising unit of PTA...
- Patent number 9,902,680
- Issue date Feb 27, 2018
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD
- Xu Zhao
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR REDUCING PRESSURE FLUCTUATION OF PRESSURE FILTER FRAME A...
- Publication number 20200164291
- Publication date May 28, 2020
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD.
- Xu ZHAO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CTA SOLVENT EXCHANGING METHOD
- Publication number 20200157034
- Publication date May 21, 2020
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD.
- Xu ZHAO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TEST DEVICE AND TEST METHOD FOR ROTARY PRESSURIZED FILTER AND METHO...
- Publication number 20190301991
- Publication date Oct 3, 2019
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD.
- Xu ZHAO
- G01 - MEASURING TESTING
Information Patent Application
SOLVENT EXCHANGER AND METHOD FOR IMPROVING THE EXCHANGE EFFICIENCY...
- Publication number 20170183285
- Publication date Jun 29, 2017
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD.
- Xu ZHAO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PROCESSING ACETIC ACID SOLVENT IN OXIDISING UNIT OF PTA...
- Publication number 20170081269
- Publication date Mar 23, 2017
- TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTO CO., LTD
- Xu ZHAO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL