7 Utility Patents
#3,007 in Shanghai
#19,166 in China
#598,480 in the World
Forward Citations = 14
Company Filing History:
China Petroleum & Chemical Corporation

Shanghai Research Institute of Petrochemical Technology, Sinopec
4. 2 out of 2,316

5. 1 out of 178

where one patent can have more than one assignee
Get your Inventor Badge Today