Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 063615/0515 | |
| Pages: | 5 |
| | Recorded: | 05/11/2023 | | |
| Attorney Dkt #: | W22-HX-XNSYDX-US-202 |
| 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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07/04/2023
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Application #:
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18053424
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Filing Dt:
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11/08/2022
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Publication #:
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Pub Dt:
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03/16/2023
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Title:
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TERTIARY AMINE-GRAFTED SILICA NANO-PLUGGING AGENT AND WATER-BASED DRILLING FLUIDS
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Assignee
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| XINDU ROAD NO. 8 XINDU DISTRICT |
| CHENGDU, CHINA |
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Correspondence name and address
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QIANQIAN WU
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64 BANK ST
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ABINGTON, MA 02351
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04/29/2024 10:31 PM
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