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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01/15/2019
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Application #:
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15039352
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Filing Dt:
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05/25/2016
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Publication #:
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Pub Dt:
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01/26/2017
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Inventors:
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Weibin ZHA, Hui ZHOU
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Title:
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FLUID LOSS ADDITIVE FOR WATER BASED DRILLING FLUIDS WITH IMPROVED THERMAL STABILITY
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 10200 BELLAIRE BLVD. |
| HOUSTON, TEXAS 77072 |
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| LOCKE LORD LLP |
| 600 TRAVIS |
| SUITE 2800 |
| HOUSTON, TX 77002 |
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