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Wallace I. Yuan
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Irvine, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Integrated method of preconditioning a resin for hydrogen peroxide...
Patent number
6,537,516
Issue date
Mar 25, 2003
Air Liquide America Corporation
Mary Dykstra Havlicek
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Ionic purifier
Patent number
6,372,022
Issue date
Apr 16, 2002
Air Liquide America Corporation
Joe G. Hoffman
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
On-site manufacture of ultra-high-purity nitric acid
Patent number
6,214,173
Issue date
Apr 10, 2001
Air Liquide Electronics Chemicals & Services, Inc.
Mindi Xu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of concentrating less volatile liquids
Patent number
5,500,096
Issue date
Mar 19, 1996
Alliance Pharmaceutical Corp.
Wallace I. Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Distillation apparatus for concentrating less volatile liquids
Patent number
5,443,695
Issue date
Aug 22, 1995
Athens Corporation
Wallace I. Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for the continuous on-site chemical reprocessing of ultra...
Patent number
5,354,428
Issue date
Oct 11, 1994
Athens Corp.
R. Scot Clark
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Apparatus for concentration of liquids
Patent number
5,236,555
Issue date
Aug 17, 1993
Athens Corp.
Wallace I. Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for concentration of liquids
Patent number
5,225,048
Issue date
Jul 6, 1993
Athens Corp.
Wallace I. Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for making ultrapure sulfuric acid
Patent number
5,164,049
Issue date
Nov 17, 1992
Athens Corporation
R. Scot Clark
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method and apparatus for the continuous on-site chemical reprocessi...
Patent number
4,855,023
Issue date
Aug 8, 1989
Athens, Inc.
R. Scot Clark
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method and apparatus for the continuous on-site chemical reprocessi...
Patent number
4,828,660
Issue date
May 9, 1989
Athens Corporation
R. Scot Clark
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Patents Applications
last 30 patents
Information
Patent Application
Method of preconditioning a resin for hydrogen peroxide purificatio...
Publication number
20030023005
Publication date
Jan 30, 2003
Mary Dykstra Havlicek
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Integrated method of preconditioning a resin for hydrogen peroxide...
Publication number
20030017103
Publication date
Jan 23, 2003
Mary Dykstra Havlicek
C01 - INORGANIC CHEMISTRY