7 Utility Patents
#2,844 in Shanghai
#18,136 in China
#588,099 in the World
Forward Citations = 0
Company Filing History:
East China University of Science and Technology
Sichuan University
Shanghai Huachang Environmental Protection Co., Ltd.
4. 1 out of 3
Luoyang Petrochemical Engineering Corporation (lpec) Sinopec
where one patent can have more than one assignee
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