12 Utility Patents
#3,765 in Beijing
#10,476 in China
#327,802 in the World
Forward Citations = 47
Company Filing History:
China Petroleum & Chemical Corporation
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
Other
4. 1 out of 1
China Petrochemical & Chemical Corporation
5. 1 out of 3
China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Industry
where one patent can have more than one assignee
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