Shuqin Zheng

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method to raise the solid content of catalytic cracking catalyst sl...
- Patent number 7,727,924
- Issue date Jun 1, 2010
- PetroChina Company Limited
- Conghua Liu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
METHOD TO RAISE THE SOLID CONTENT OF CATALYTIC CRACKING CATALYST SL...
- Publication number 20080058197
- Publication date Mar 6, 2008
- Petrochina Company Limited
- Conghua Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL