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Inventor
YIN ZEQUN
CN
2 patents
Patents
2 patents
US11891458B2
Feb 6, 2024
Starch-containing microsphere and preparation method and use thereof
CHINA PETROLEUM & CHEM CORP
0 citations
46
US9719005B2
Aug 1, 2017
Associated copolymer and preparation method thereof, and drilling fluid
CHINA PETROLEUM & CHEM CORP
0 citations
33