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Hugh W. Richardson
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Sumter, SC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dissolution of copper metal in aqueous alkanolamine to form copper...
Patent number
7,476,371
Issue date
Jan 13, 2009
Phibro Tech, Inc.
Hugh W. Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Milled submicron chlorothalonil with narrow particle size distribut...
Patent number
7,316,738
Issue date
Jan 8, 2008
Phibro Tech, Inc.
Hugh W. Richardson
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Process for the dissolution of copper metal
Patent number
6,905,532
Issue date
Jun 14, 2005
Phibro Tech, Inc.
Hugh W. Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the dissolution of copper metal
Patent number
6,905,531
Issue date
Jun 14, 2005
Phibro Tech, Inc.
Hugh W. Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the dissolution of copper metal
Patent number
6,646,147
Issue date
Nov 11, 2003
Phibrotech, Inc.
Hugh W. Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper etchant solution additives
Patent number
5,431,776
Issue date
Jul 11, 1995
Phibro-Tech, Inc.
Hugh W. Richardson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Milled Submicron Chlorothalonil With Narrow Particle Size Distribut...
Publication number
20080213608
Publication date
Sep 4, 2008
Hugh W. Richardson
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Milled submicron chlorothalonil with narrow particle size distribut...
Publication number
20060075921
Publication date
Apr 13, 2006
Hugh W. Richardson
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Process for the dissolution of copper metal
Publication number
20050130866
Publication date
Jun 16, 2005
Hugh W. Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for the dissolution of copper metal
Publication number
20050034563
Publication date
Feb 17, 2005
Phibrotech, Inc.
Hugh W. Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for the dissolution of copper metal
Publication number
20040191143
Publication date
Sep 30, 2004
Hugh W. Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR THE DISSOLUTION OF COPPER METAL
Publication number
20030162986
Publication date
Aug 28, 2003
Hugh W. Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...