Patent Assignment Details
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Reel/Frame: | 029107/0984 | |
| Pages: | 4 |
| | Recorded: | 10/10/2012 | | |
Attorney Dkt #: | 106956.00028 |
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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01/26/2016
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Application #:
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13628020
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Filing Dt:
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09/26/2012
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Publication #:
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Pub Dt:
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03/28/2013
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Title:
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Filtration Control Agent And A Drilling Fluid Containing The Same
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Assignees
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NO. 22 CHAOYANGMEN NORTH STREET |
CHAOYANG DISTRICT |
BEIJING, CHINA 100728 |
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NORTH STAR TIMES TOWER, NO. 8 BEICHEN DONG ROAD |
CHAOYANG DISTRICT |
BEIJING, CHINA 100101 |
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Correspondence name and address
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SQUIRE SANDERS (US) LLP
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275 BATTERY STREET, SUITE 2600
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SAN FRANCISCO, CA 94111
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