Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 007153/0152 | |
| Pages: | 5 |
| | Recorded: | 09/30/1994 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
7
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Patent #:
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Issue Dt:
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10/02/1979
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Application #:
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05891665
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Filing Dt:
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03/30/1978
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Title:
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PROCESS FOR POLISHING SEMI-CONDUCTOR MATERIALS
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Patent #:
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Issue Dt:
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07/31/1984
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Application #:
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06390726
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Filing Dt:
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06/21/1982
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Title:
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SILICA SOL COMPOSITIONS FOR POLISHING SILICON WAFERS
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Patent #:
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Issue Dt:
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05/13/1986
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Application #:
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06736056
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Filing Dt:
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05/20/1985
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Title:
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AQUEOUS SILICA COMPOSITIONS FOR POLISHING SILICON WAFERS
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Patent #:
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Issue Dt:
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06/21/1988
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Application #:
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07050840
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Filing Dt:
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05/15/1987
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Title:
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CONCENTRATED LAPPING SLURRIES
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Patent #:
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Issue Dt:
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09/19/1989
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Application #:
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07242231
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Filing Dt:
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09/09/1988
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Title:
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LAPPING SLURRY COMPOSITIONS WITH IMPROVED LAP RATE
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Patent #:
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Issue Dt:
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10/23/1990
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Application #:
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07291129
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Filing Dt:
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12/27/1988
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Title:
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CLEANING OF SILICON WAFERS WITH AN AQUEOUS SOLUTION OF KOH AND A NITROGEN-CONTAINING COMPOUND
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Patent #:
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Issue Dt:
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07/27/1993
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Application #:
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07932284
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Filing Dt:
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08/19/1992
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Title:
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LOW SODIUM, LOW METALS SILICA POLISHING SLURRIES
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Assignee
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| 451 BELLEVUE ROAD DIAMOND STATE INDUSTRIAL PARK NEWARK, DE 19713 |
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Correspondence name and address
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PANITCH SCHWARZE JACOBS & NADEL, P.C.
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ALAN S. NADEL, ESQ.
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1601 MARKET STREET - 36TH FL.
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PHILADELPHIA, PA 19103-2398
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