Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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08/27/2024
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Application #:
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17517599
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Filing Dt:
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11/02/2021
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Publication #:
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Pub Dt:
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09/22/2022
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Inventors:
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Lili YANG, Guancheng JIANG, Dechang KONG, Chunlin XIE, Tian AO, Kaixiao CUI
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Title:
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SELF-REPAIRING PLUGGING GEL POLYMER FOR DRILLING FLUID, PREPARATION METHOD AND APPLICATION THEREOF, AND DRILLING FLUID CONTAINING GEL POLYMER
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 18 FUXUE ROAD |
| CHANGPING DISTRICT |
| BEIJING, CHINA 102249 |
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| YIZHOU LIU |
| CALFEE, HALTER & GRISWOLD LLP |
| 1405 EAST SIXTH STREET |
| CLEVELAND, OH 44114-1607 |
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