GM

Guang Chang Ma

CU Cnpc Usa: 1 patents #61 of 99Top 65%
📍 Guanghan, CN: #10 of 23 inventorsTop 45%
Overall (All Time): #2,908,024 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10072197 Crosslinked high molecular weight polymers for use in water-based drilling fluids Meng Lu, Burhan Hoxha, Feng Xiao 2018-09-11