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: | 017164/0874 | |
| Pages: | 7 |
| | Recorded: | 02/15/2006 | | |
| Attorney Dkt #: | DUPONT ASSIGNMENT |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
3
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Patent #:
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Issue Dt:
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03/22/1988
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Application #:
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06907693
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Filing Dt:
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09/15/1986
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Title:
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COLLOIDAL SILICA-BASED FLUID DIVERSION
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Patent #:
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Issue Dt:
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06/02/1992
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Application #:
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07669733
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Filing Dt:
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03/13/1991
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Title:
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STABLE MIXTURES OF COLLOIDAL SILICA AND A FILM-FORMING POLYMER
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Patent #:
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Issue Dt:
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03/03/1998
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Application #:
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08711335
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Filing Dt:
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09/06/1996
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Title:
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COLLOIDAL SILICA/ZIRCONYL SALT COMPOSITIONS AS HYDROPHILIZING COATINGS
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Assignee
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| 7500 GRACE DRIVE |
| COLUMBIA, MARYLAND 21044-4098 |
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Correspondence name and address
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W. R. GRACE & CO.-CONN.
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7500 GRACE DRIVE
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WILLIAM D. BUNCH - PATENT DEPARTMENT
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COLUMBIA, MD 21044-4098
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