Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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06/20/2017
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Application #:
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15400555
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Filing Dt:
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01/06/2017
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Inventors:
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Jinsheng SUN, Jingping LIU, Kaihe LV
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Title:
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COMPOSITION COMPRISING A NANOMETER FILM STRUCTURED RESERVOIR PROTECTING AGENT AND A WATER BLOCK PREVENTING AGENT, AND DRILLING FLUID CONTAINING THE SAME AND USE THEREOF FOR DRILLING IN LOW-PERMEABILITY RESERVOIRS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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NO. 66, CHANGJIANG WEST ROAD, HUANGDAO DISTRICT |
QINGDAO, SHANDONG, CHINA |
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CALFEE HALTER & GRISWOLD LLP |
THE CALFEE BUILDING, 1405 EAST SIXTH STREET |
CLEVELAND, OH 44114-1607 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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NO. 66, CHANGJIANG WEST ROAD |
HUANGDAO DISTRICT, QINGDAO |
SHANDONG, CHINA |
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BUILDING 1, YARD 5, HUANGHE STREET |
CHANGPING DISTRICT |
BEIJING, CHINA 102206 |
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YIZHOU LIU |
CALFEE, HALTER & GRISWOLD LLP |
1405 EAST SIXTH STREET |
CLEVELAND, OH 44114-1607 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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NO. 66, CHANGJIANG WEST ROAD |
HUANGDAO DISTRICT, QINGDAO |
SHANDONG, CHINA |
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BUILDING 1, YARD 5, HUANGHE STREET |
CHANGPING DISTRICT |
BEIJING, CHINA 102206 |
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NO. 9 DONGZHIMEN NORTH STREET |
BEIJING, CHINA |
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YIZHOU LIU |
CALFEE, HALTER & GRISWOLD LLP |
1405 EAST SIXTH STREET |
CLEVELAND, OH 44114-1607 |
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Assignment:
4
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CORRECTIVE ASSIGNMENT TO CORRECT THE CORRECTING THE ORDER OF THE CONVEYANCE PARTY DATA PREVIOUSLY RECORDED AT REEL: 053458 FRAME: 0387. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
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NO.66, WEST CHANGJIANG ROAD |
HUANGDAO DISTRICT, QINGDAO |
SHANDONG, CHINA |
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NO. 9 DONGZHIMEN NORTH STREET |
BEIJING, CHINA |
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BUILDING 1, YARD 5, HUANGHE STREET |
CHANGPING DISTRICT |
BEIJING, CHINA 102206 |
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YIZHOU LIU |
1405 EAST SIXTH STREET |
CALFEE, HALTER & GRISWOLD LLP |
CLEVELAND, OH 44114 |
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