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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:009146/0870   Pages: 5
Recorded: 05/04/1998
Conveyance: MERGER AND CHANGE OF NAME
Total properties: 12
1
Patent #:
Issue Dt:
09/07/1993
Application #:
07672665
Filing Dt:
03/19/1991
Title:
MANUFACTURE OF HIGH PRECISION ELECTRONIC COMPONENTS WITH ULTRA-HIGH PURITY LIQUIDS
2
Patent #:
Issue Dt:
03/05/1996
Application #:
08179001
Filing Dt:
01/07/1994
Title:
POINT-OF-USE AMMONIA PURIFICATION FOR ELECTRONIC COMPONENT MANUFACTURE
3
Patent #:
Issue Dt:
09/07/1999
Application #:
08524691
Filing Dt:
09/07/1995
Title:
MANUFACTURE OF HIGH PRECISION ELECTRONIC COMPONENTS WITH ULTRA-HIGH PURITY LIQUIDS
4
Patent #:
Issue Dt:
05/26/1998
Application #:
08610261
Filing Dt:
03/04/1996
Title:
POINT-OF-USE AMMONIA PURIFICATION FOR ELECTRONIC COMPONENT MANUFACTURE
5
Patent #:
Issue Dt:
12/08/1998
Application #:
08673579
Filing Dt:
07/01/1996
Title:
ON-SITE MANUFACTURE OF ULTRA-HIGH-PURITY HYDROCHLORIC ACID FOR SEMICONDUCTOR PROCESSING
6
Patent #:
Issue Dt:
07/28/1998
Application #:
08673909
Filing Dt:
07/01/1996
Title:
ON-SITE MANUFACTURE OF ULTRA-HIGH-PURITY HYDROFLUORIC ACID FOR SEMICONDUCTOR PROCESSING
7
Patent #:
Issue Dt:
12/08/1998
Application #:
08674110
Filing Dt:
07/01/1996
Title:
ON-SITE AMMONIA PURIFICATION FOR SEMICONDUCTOR MANUFACTURE
8
Patent #:
Issue Dt:
03/03/1998
Application #:
08674130
Filing Dt:
07/01/1996
Title:
ON-SITE GENERATION OF ULTRA-HIGH-PURITY BUFFERED-HF FOR SEMICONDUCTOR PROCESSING
9
Patent #:
Issue Dt:
04/10/2001
Application #:
08759213
Filing Dt:
12/05/1996
Title:
ON-SITE MANUFACTURE OF ULTRA-HIGH-PURITY NITRIC ACID
10
Patent #:
Issue Dt:
02/26/2002
Application #:
08881747
Filing Dt:
06/24/1997
Publication #:
Pub Dt:
12/13/2001
Title:
ON-SITE GENERATION OF ULTRA-HIGH-PURITY BUFFERED-HF AND AMMONIUM FLUORIDE
11
Patent #:
Issue Dt:
12/14/1999
Application #:
09037522
Filing Dt:
03/10/1998
Title:
ON-SITE AMMONIA PURIFICATION FOR SEMICONDUCTOR MANUFACTURE
12
Patent #:
Issue Dt:
04/18/2000
Application #:
09051304
Filing Dt:
04/16/1998
Title:
SYSTEM AND METHOD FOR ON-SITE MIXING OF ULTRA-HIGH-PURITY CHEMICALS FOR SEMICONDUCTOR PROCESSING
Assignor
1
Exec Dt:
12/30/1997
Assignee
1
2700 POST OAK BOULEVARD
HOUSTON, TEXAS 77056
Correspondence name and address
BURNS, DOANE, SWECKER & MATHIS, L.L.P.
E. JOSEPH GESS, ESQ.
P.O. BOX 1404
ALEXANDRIA, VIRGINIA 22313-1404

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