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last 30 patents
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Patent Grant
Methods and equipments of using dual functional catalyst of packing...
Patent number
6,291,719
Issue date
Sep 18, 2001
China Petro-Chemical Corporation
Buliang Gao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dual functional catalyst of packing type and the catalytic distilla...
Patent number
6,117,812
Issue date
Sep 12, 2000
China Petro-Chemical Corporation
Buliang Gao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL