32 Utility Patents
#17 in Ypsilanti, MI
#1,545 in Michigan
#43,055 in US
#82,936 in the World
Forward Citations = 384
Company Filing History:

China Petroleum & Chemical Corporation
Shanghai Research Institute of Petrochemical Technology, Sinopec
4. 2 out of 193

5. 2 out of 21

where one patent can have more than one assignee
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