Zheng Li

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Dongying City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Catalytic cracking process and the device used therein
- Patent number 7,316,773
- Issue date Jan 8, 2008
- PetroChina Company Limited
- Jianfang Zhang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Catalytic cracking process and the device used therein
- Publication number 20040178120
- Publication date Sep 16, 2004
- Jianfang Zhang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Two-stage riser catalytic cracking process
- Publication number 20020108887
- Publication date Aug 15, 2002
- PetroChina Company Limited and University of Petroleum (East China)
- Jianfang Zhang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...