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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05/18/2021
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Application #:
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16684078
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Filing Dt:
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11/14/2019
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Inventors:
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Mingbiao Xu, Fuchang You, Xingchun Li, Jiao Wu, Shanshan Hou, Man Shu
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Title:
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COMPOSITION FOR PREPARING ANTI-WEAR LUBRICANT FOR DRILLING FLUID AND PREPARATION METHOD OF ANTI-WEAR LUBRICANT FOR DRILLING FLUID AND DRILLING FLUID
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| NO. 1 NANHUAN ROAD, HUBEI |
| JINGZHOU CITY, CHINA 434023 |
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| NO. 111 LIAOYUAN ROAD, SHASHI DISTRICT, HUBEI |
| JINGZHOU CITY, CHINA 434001 |
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| TOWER A, CNPC SCIENCE PARK, SHAHE TOWN, CHANGPING DISTRICT |
| BEIJING, CHINA 102200 |
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| VOLPE AND KOENIG P.C. |
| 30 SOUTH 17TH STREET, 18TH FLOOR |
| PHILADELPHIA, PA 191, PA 19103 |
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