Xiaogong Zhang

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Lanzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Selective hydrogenation catalyst for pyrolysis gasoline
- Patent number 6,576,586
- Issue date Jun 10, 2003
- Petrochina
- Li Siqin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Selective hydrogenation catalyst for pyrolysis gasoline
- Publication number 20010056036
- Publication date Dec 27, 2001
- Li Siqin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL