Patent Assignment Details
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| Reel/Frame: | 050934/0240 | |
| Pages: | 5 |
| | Recorded: | 11/06/2019 | | |
| Attorney Dkt #: | G8279-00005 |
| 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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12/15/2020
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Application #:
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16675765
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Filing Dt:
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11/06/2019
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Publication #:
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Pub Dt:
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11/26/2020
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Title:
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Multi-Functional Weighting Agent for Drilling Fluid and Preparation Method Thereof, and Water-Based Drilling Fluid and Use Thereof
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Assignee
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| 8 XINDU AVENUE |
| XINDU DISTRICT |
| CHENGDU, SICHUAN, CHINA 610500 |
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Correspondence name and address
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JIAZHONG LUO
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30 SOUTH 17TH STREET
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DUANE MORRIS LLP
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PHILADELPHIA, PA 19103-4196
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