Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 016245/0056 | |
| Pages: | 3 |
| | Recorded: | 07/12/2005 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
5
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Patent #:
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Issue Dt:
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05/02/1989
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Application #:
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07115945
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Filing Dt:
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11/02/1987
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Title:
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PREPARATION OF GAMMA-BUTYROLACTONE AND 1,4-BUTANEDIOL BY CATALYTIC HYDROGENATION OF MALEIC ACID
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Patent #:
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Issue Dt:
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12/05/1995
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Application #:
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08197967
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Filing Dt:
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02/17/1994
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Title:
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PHOTOCHROMIC SPIROOXAZINE MONOMERS AND POLYSILOXANES
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Patent #:
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Issue Dt:
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12/16/1997
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Application #:
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08524195
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Filing Dt:
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09/06/1995
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Title:
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CATALYSTS FOR THE HYDROGENATION OF AQUEOUS MALEIC ACID TO 1,4-BUTANEDIOL
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Patent #:
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Issue Dt:
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11/26/2002
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Application #:
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08980542
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Filing Dt:
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12/01/1997
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Title:
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PROCESS FOR THE HYDROGENATION OF MALEIC ACID TO 1,4-BUTANEDIOL
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Patent #:
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Issue Dt:
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01/24/2006
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Application #:
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10645429
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Filing Dt:
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08/21/2003
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Publication #:
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Pub Dt:
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02/26/2004
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Title:
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TWO-STAGE PROCESS FOR THE HYDROGENATION OF MALEIC ACID TO 1,4-BUTANEDIOL
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Assignee
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| 200 EAST RANDOLPH DRIVE |
| CHICAGO, ILLINOIS 60601 |
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Correspondence name and address
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CAROL A. WILSON
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4101 WINFIELD ROAD
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MAIL CODE 5 EAST
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WARRENVILLE, IL 60555
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