11 Utility Patents
#4,074 in Beijing
#11,574 in China
#363,720 in the World
Forward Citations = 56
Company Filing History:
China Petroleum & Chemical Corporation
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
Sinopec Beijing Research Institute of Chemical Industry
4. 2 out of 832,627 patents
Other
5. 1 out of 4,291

where one patent can have more than one assignee
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