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Total properties:
12
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Patent #:
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|
Issue Dt:
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05/09/1989
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Application #:
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06915776
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Filing Dt:
|
10/06/1986
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Title:
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METHOD AND APPARATUS FOR THE CONTINUOUS ON-SITE CHEMICAL REPROCESSING OF ULTRAPURE LIQUIDS USED IN SEMICONDUCTOR WAFER CLEANING
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Patent #:
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Issue Dt:
|
08/08/1989
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Application #:
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07183089
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Filing Dt:
|
04/19/1988
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Title:
|
METHOD AND APPARATUS FOR THE CONTINUOUS ON-SITE CHEMICAL REPROCESSING OF ULTRAPURE LIQUIDS USED IN SEMICONDUCTOR WAFER CLEANING
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|
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Patent #:
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Issue Dt:
|
08/28/1990
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Application #:
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07196327
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Filing Dt:
|
05/20/1988
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Title:
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METHOD AND APPARATUS FOR PURIFYING HYDROGEN FLUORIDE
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|
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Patent #:
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Issue Dt:
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12/25/1990
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Application #:
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07231849
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Filing Dt:
|
08/12/1988
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Title:
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DISTILLATION METHOD AND APPARATUS FOR REPROCESSING SULFURIC ACID
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|
|
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Patent #:
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Issue Dt:
|
06/26/1990
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Application #:
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07231850
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Filing Dt:
|
08/12/1988
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Title:
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HYDROFLUORIC ACID REPROCESSING FOR SEMICONDUCTOR STANDARDS
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|
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Patent #:
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|
Issue Dt:
|
10/11/1994
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Application #:
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07385302
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Filing Dt:
|
07/25/1989
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Title:
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APPARATUS FOR THE CONTINOUS ON-SITE CHEMICAL REPROCESSING OF ULTRAPURE LIQUIDS
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|
|
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Patent #:
|
|
Issue Dt:
|
07/16/1991
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Application #:
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07398074
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Filing Dt:
|
08/24/1989
|
|
Title:
|
SULFURIC ACID REPROCESSOR
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|
|
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Patent #:
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|
Issue Dt:
|
10/29/1991
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Application #:
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07481708
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Filing Dt:
|
02/15/1990
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Title:
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SULFURIC ACID REPROCESSOR WITH CONTINUOUS PURGE OF SECOND DISTILLATION VESSEL
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|
|
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Patent #:
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|
Issue Dt:
|
11/17/1992
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Application #:
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07571250
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Filing Dt:
|
08/22/1990
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|
Title:
|
METHOD FOR MAKING ULTRAPURE SULFURIC ACID
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|
|
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Patent #:
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|
Issue Dt:
|
08/22/1995
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Application #:
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08022995
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Filing Dt:
|
02/26/1993
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|
Title:
|
DISTILLATION APPARATUS FOR CONCENTRATING LESS VOLATILE LIQUIDS
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|
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Patent #:
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|
Issue Dt:
|
02/09/1999
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Application #:
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08691427
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Filing Dt:
|
08/02/1996
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|
Title:
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DEHYDRATION AND PURIFICATION OF ISOPROPYL ALCOHOL TO AN ULTRADRY AND ULTRAPURE LEVEL
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|
|
|
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Patent #:
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|
Issue Dt:
|
03/02/1999
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Application #:
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08707907
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Filing Dt:
|
09/11/1996
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Title:
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SEPARATION AND PURIFICATION OF FLUORIDE FROM INDUSTRIAL WASTES
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|
