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Raichi Zhang
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Beijing, CN
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last 30 patents
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Patent Grant
Catalytic conversion process for producing isobutane and isoparaffi...
Patent number
6,495,028
Issue date
Dec 17, 2002
China Petroleum Corporation
Youhao Xu
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...