Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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03/30/2021
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Application #:
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16619661
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Filing Dt:
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12/05/2019
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Publication #:
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Pub Dt:
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02/25/2021
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Inventors:
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Sirui CHEN, Longwei QIU, Yangchen ZHANG, Xiyu QU, Xiaofang DONG, Guanmin WANG
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Title:
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ACIDIZING SOLUTION FOR DISSOLUTION OF CLAY MINERAL AND PREPARATION METHOD THEREOF
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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NO. 66, WEST CHANGJIANG ROAD |
HUANGDAO DISTRICT |
QINGDAO, SHANGDONG, CHINA 266580 |
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SZDC LAW P.C. |
1629 K STREET N.W. |
SUITE 300 |
WASHINGTON, DC 20006 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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300 METERS EAST OF INTERSECTION OF XIER ROAD AND DEZHOU ROAD |
XINDAN STREET, DONGYING DISTRICT |
DONGYING CITY, SHANDONG, CHINA 257000 |
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FENG SHAN |
1629 K STREET NW, SUITE 300 |
SZDC LAW PC |
WASHINGTON, DC 20006 |
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06/18/2024 12:03 AM
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