ET

Engao Tang

CO China National Offshore Oil: 1 patents #30 of 142Top 25%
Overall (All Time): #2,714,357 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10941333 Heavy oil activator and preparation method and use thereof Jian Zhang, Yuejun Zhu, Xiaodong Kang, Guang Yang, Xudong Wang +1 more 2021-03-09