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Patents Grantslast 30 patents

Information Patent Grant
Method for separating aromatic hydrocarbon using extractive distill...
- Patent number 11,731,922
- Issue date Aug 22, 2023
- China Petroleum and Chemical Corporation
- Longsheng Tian
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for purification of a solvent for separation of styrene by e...
- Patent number 11,465,953
- Issue date Oct 11, 2022
- China Petroleum and Chemical Corporation
- Wencheng Tang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Composite adsorbent for separation of ethylbenzene by adsorption di...
- Publication number 20230322648
- Publication date Oct 12, 2023
- China Petroleum and Chemical Corporation
- Siyuan QIE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR SEPARATING AROMATIC HYDROCARBON USING EXTRACTIVE DISTILL...
- Publication number 20210053893
- Publication date Feb 25, 2021
- China Petroleum and Chemical Corporation
- Longsheng TIAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for purification of a solvent for separation of styrene by e...
- Publication number 20200354292
- Publication date Nov 12, 2020
- China Petroleum and Chemical Corporation
- Wencheng TANG
- C07 - ORGANIC CHEMISTRY