Patent Assignment Details
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| Reel/Frame: | 005774/0128 | |
| Pages: | 2 |
| | Recorded: | 07/22/1991 | | |
| 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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12/10/1991
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Application #:
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07460648
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Filing Dt:
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01/03/1990
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Title:
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PROCESS FOR THE PREPARATION OF BIS(4-HYDROXYPHENYL) SULFONE
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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.,
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SUITE 411
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CHICAGO, IL 60603
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