16 Utility Patents
#2,861 in Beijing
#7,390 in China
#227,172 in the World
Forward Citations = 179
Company Filing History:
China Petroleum & Chemical Corporation
Other

4. 2 out of 5
Sinopec Research Institute of Petroleum Processing Co., Ltd.
5. 1 out of 53
China Petrochemical Corporation
where one patent can have more than one assignee
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