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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01/22/2019
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Application #:
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16046128
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Filing Dt:
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07/26/2018
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Inventors:
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Ying ZHOU, Xian SHI, Yang BAI, Liqun YE, Yaqin HU
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Title:
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Photocatalyst for Removing Hydroxypropyl Guar Gum in Flow-Back Fluid of Fracturing Fluid and Preparation Method and Use Thereof
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 8 XINDU AVENUE, XINDU DISTRICT |
| SICHUAN PROVINCE |
| CHENGDU CITY, CHINA 610500 |
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| YIZHOU LIU |
| CALFEE, HALTER & GRISWOLD LLP |
| 1405 EAST SIXTH STREET |
| CLEVELAND, OH 44114-1607 |
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