Patent Assignment Details
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Reel/Frame: | 005527/0867 | |
| Pages: | 2 |
| | Recorded: | 12/11/1990 | | |
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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03/17/1992
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Application #:
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07593127
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Filing Dt:
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10/05/1990
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Title:
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PURIFICATION OF HETEROPOLYACID-CONTAINING POLYALKYLENE ETHER GLYCOLS
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Assignee
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6700 LUDWIGSHAFEN, |
RHEINLAND-PFALZ, GERMANY |
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Correspondence name and address
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JOHN H. SHURTLEFF
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140 S. DEARBORN ST., STE. 411
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CHICAGO, IL 60603
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