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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03/17/2020
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Application #:
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15527769
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Filing Dt:
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05/18/2017
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Publication #:
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Pub Dt:
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11/16/2017
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Inventors:
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Funian Zhao, Liang Xu, Kai He, Liangwei Qu
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Title:
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CATIONIC MULTIPLE QUATERNARY AMMONIUM-BASED SURFACTANTS FOR ENHANCING PRODUCTION IN SUBTERRANEAN FORMATIONS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2905 SOUTHWEST BLVD. |
| SAN ANGELO, TEXAS 76904 |
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| BAKER BOTTS L.L.P. |
| 910 LOUISIANA STREET, ONE SHELL PLAZA |
| HOUSTON, TX 77002 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3000 N. SAM HOUSTON PARKWAY E. |
| HOUSTON, TEXAS 77032-3219 |
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| BAKER BOTTS L.L.P. |
| 910 LOUISIANA STREET |
| ONE SHELL PLAZA |
| HOUSTON, TX 77002 |
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