Longsheng Tian

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Beijing, CN

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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
Information Patent Grant
Catalytic conversion process
- Patent number 8,696,887
- Issue date Apr 15, 2014
- China Petroleum and Chemical Corporation
- Youhao Xu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for separating aromatics by extractive distillation and a c...
- Patent number 7,078,580
- Issue date Jul 18, 2006
- China Petroleum and Chemical Corporation
- Longsheng Tian
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

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
Information Patent Application
CATALYTIC CONVERSION PROCESS
- Publication number 20100213102
- Publication date Aug 26, 2010
- CHINA PETROLEUM & CHEMICAL CORPORATION
- Youhao Xu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for separating aromatics by extractive distillation and a c...
- Publication number 20030080028
- Publication date May 1, 2003
- Longsheng Tian
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL