Patent Assignment Details
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| Reel/Frame: | 005463/0394 | |
| Pages: | 2 |
| | Recorded: | 10/09/1990 | | |
| 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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12/18/1990
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Application #:
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07325423
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Filing Dt:
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03/20/1989
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Title:
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LOW AND HIGH TEMPERATURE DRILLING FLUIDS BASED ON SULFONATED TERPOLYMER IONOMERS
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Assignee
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| 180 PARK AVENUE, P.O. BOX 390 |
| FLORHAM PARK, NEW JERSEY 07932 |
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Correspondence name and address
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EXXON RESEARCH AND ENGINEERING CO.
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P. O. BOX 390
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FLORHAM PARK, NJ 07932
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