Patent Assignment Details
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Reel/Frame: | 039299/0547 | |
| Pages: | 8 |
| | Recorded: | 07/11/2016 | | |
Attorney Dkt #: | 0079521-000021 |
Conveyance: | CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE 'S ADDRESS PREVIOUSLY RECORDED AT REEL: 037705 FRAME: 0836. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. |
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Total properties:
1
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Patent #:
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Issue Dt:
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04/23/2019
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Application #:
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14911369
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Filing Dt:
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02/10/2016
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Publication #:
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Pub Dt:
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07/14/2016
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Title:
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CATIONIC COPOLYMER AND USE THEREOF IN LOST CIRCULATION ADDITIVE
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Assignees
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NO. 22 CHAOYANGMEN NORTH STREET, CHAOYANG DISTRICT |
BEIJING, CHINA 100728 |
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31 XUEYUAN ROAD, HAIDIAN DISTRICT |
BEIJING, CHINA 100083 |
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Correspondence name and address
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BUCHANAN INGERSOLL & ROONEY
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PO BOX 1404
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ALEXANDRIA, VA 22314-2727
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