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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12/07/2021
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Application #:
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17084262
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Filing Dt:
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10/29/2020
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Publication #:
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Pub Dt:
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04/29/2021
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Inventors:
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Guancheng JIANG, Tengda WANG, Lili YANG, Xiao YANG, Yawei SHI
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Title:
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IONIC LIQUID SHALE INHIBITOR FOR DRILLING FLUID AND PREPARATION METHOD AND APPLICATION THEREOF
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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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