Edgar F. Hoy

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Broken Arrow, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for removal of nickel from effluent containing EDTA
- Patent number 4,971,775
- Issue date Nov 20, 1990
- Schlumberger; Dowell
- Edgar F. Hoy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Enhanced cleaning procedure for copper alloy equipment
- Patent number 4,861,386
- Issue date Aug 29, 1989
- Dowell Schlumberger Incorporated
- Edgar F. Hoy
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...