Patent Assignment Details
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Reel/Frame: | 047478/0461 | |
| Pages: | 5 |
| | Recorded: | 11/12/2018 | | |
Attorney Dkt #: | 35742/04072 |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
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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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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Assignee
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8 XINDU AVENUE, XINDU DISTRICT |
SICHUAN PROVINCE |
CHENGDU CITY, CHINA 610500 |
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Correspondence name and address
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YIZHOU LIU
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CALFEE, HALTER & GRISWOLD LLP
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1405 EAST SIXTH STREET
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CLEVELAND, OH 44114-1607
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05/09/2024 02:29 PM
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