Patent Assignment Details
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| Reel/Frame: | 008545/0172 | |
| Pages: | 4 |
| | Recorded: | 06/09/1997 | | |
| 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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05/25/1993
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Application #:
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07910230
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Filing Dt:
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07/09/1992
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Title:
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DISPERSING ASPHALTENES IN HYDROCARBON REFINERY STREAMS WITH ALPHA-OLEFIN/MALEIC ANHYDRIDE COPOLYMER
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Assignee
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| 7705 HIGHWAY 90-A |
| SUGARLAND, TEXAS 77478 |
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Correspondence name and address
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NALCO CHEMICAL COMPANY
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JAMES J. DRAKE
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PATENT & LICENSING DEPT.
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ONE NALCO CENTER
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NAPERVILLE, IL 60563-1198
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