Patent Assignment Details
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| Reel/Frame: | 051980/0604 | |
| Pages: | 10 |
| | Recorded: | 03/02/2020 | | |
| Attorney Dkt #: | RAP3-PT185 |
| 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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12/08/2020
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Application #:
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16752971
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Filing Dt:
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01/27/2020
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Publication #:
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Pub Dt:
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07/30/2020
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Title:
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HIGH-TEMPERATURE RETARDER SUITABLE FOR OIL AND GAS WELL CEMENTATION, PREPARATION METHOD THEREOF AND CEMENTING SLURRY
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Assignees
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| NO.66, CHANGJIANG WEST ROAD |
| HUANGDAO DISTRICT |
| QINGDAO, CHINA 266580 |
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| NO.69, TIANFU THIRD ST., MIDDLE SECTION TIANFU AVE |
| CHENDGU HIGH TECH ZONE, FREE TRADE ZONE |
| CHENGDU, CHINA |
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Correspondence name and address
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DOUGLAS J. BUCKLIN, PH.D.
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30 SOUTH 17TH STREET
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18TH FLOOR
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PHILADELPHIA, PA 19103
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