Inventor · disambiguated record
Peizhi Yu
Also filed as: YU PEIZHI
2 granted patents·4 citations·filing 2003–2018
41Inventor score
Technology areasC09K
Top patents by PatentIndex Score
2 records- 0147US10774256B2Star-shaped polyacrylamide copolymer and preparation method thereof and drilling fluid including the copolymerUNIV CHINA GEOSCIENCES BEIJING·Filed 2018·Granted Sep 15, 2020·0 cites·3 claims
- 0246US7323434B2Electropositive production well treating fluid and method of preparing the sameCHINA PETROLEUM & CHEMICAL·Filed 2003·Granted Jan 29, 2008·4 cites·14 claims
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