Patent Assignment Details
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Reel/Frame: | 005831/0220 | |
| Pages: | 2 |
| | Recorded: | 08/29/1991 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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12/27/1994
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Application #:
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07751284
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Filing Dt:
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08/29/1991
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Title:
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OIL-BASED DRILLING MUDS COMPRISING A WEIGHTING AGENT HAVING A SILOXANE OR SILANE COATING THEREON
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Assignee
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BRITANNIC HOUSE |
1 FINSBURY CIRCUS |
LONDON, EC2M 7BA, ENGLAND |
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Correspondence name and address
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BP AMERICA INC.
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PATENT & LICENSE DIVISION
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200 PUBLIC SQUARE
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CLELVELAND, OH 44114-2375
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