Patent Assignment Details
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Reel/Frame: | 005231/0056 | |
| Pages: | 2 |
| | Recorded: | 02/02/1990 | | |
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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09/17/1991
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Application #:
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07474427
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Filing Dt:
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02/02/1990
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Title:
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METHOD OF PREPARING A SOLUTION OF SULFONATED ARYL AZO/DIARYL GUANIDINE-COMPLEXED DYE
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Assignee
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110 NORTH WACKER DRIVE |
A CORP. OF IN |
CHICAGO, ILLINOIS 60606-1560 |
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Correspondence name and address
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GERALD K. WHITE
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110 NORTH WACKER DRIVE
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CHICAGO, IL 60606
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