Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 009792/0810 | |
| Pages: | 15 |
| | Recorded: | 02/23/1999 | | |
| 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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08/20/2002
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Application #:
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09256980
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Filing Dt:
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02/23/1999
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Publication #:
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Pub Dt:
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02/28/2002
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Title:
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COMPOSITIONS CONTAINING AQUEOUS VISCOSIFYING SURFACTANTS AND METHODS FOR APPLYING SUCH COMPOSITIONS IN SUBTERRANEAN FORMATIONS
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Assignee
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| 110 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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Correspondence name and address
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SCHLUMBERGER TECHNOLOGY CORPORATION
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JOHN E. VIEL, JR.
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DOWELL DIVISION, PATENT COUNSEL
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110 SCHLUMBERGER DRIVE, MAIL DROP 1975
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SUGAR LAND, TEXAS 77478
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