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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01/12/2021
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Application #:
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16887869
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Filing Dt:
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05/29/2020
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Inventors:
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Yinbo HE, Kai WANG, Xiaohu QUAN, He SHI, Guancheng JIANG, Lili YANG, Tengfei DONG et al
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Title:
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MODIFIED POLYHISTIDINE SUITABLE FOR BEING USED AS A SUPRAMOLECULAR SHALE INHIBITOR, METHOD OF PREPARING THE SAME AND ITS APPLICATION IN WATER-BASED DRILLING FLUIDS
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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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NO. 27 CHUANGXIN ROAD |
CHANGPING DISTRICT |
BEIJING, CHINA |
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YIZHOU LIU |
CALFEE, HALTER & GRISWOLD LLP |
1405 EAST SIXTH STREET |
CLEVELAND, OH 44114-1607 |
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