Ben W. Wiegers

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Wilmer, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Solvent extraction of cobalt (II) from sulfate solutions with cobal...
- Patent number 4,600,435
- Issue date Jul 15, 1986
- Amax Inc.
- Ben W. Wiegers
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of hexavalent selenium from nickel, cobalt or copper sulfat...
- Patent number 4,544,541
- Issue date Oct 1, 1985
- Amax Inc.
- Eddie C. Chou
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...