Pierre J. A. Prud'Homme

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Hull, CA

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Patents Grantslast 30 patents

Information Patent Grant
Direct recovery of precious metals by solvent extraction and select...
- Patent number 4,654,145
- Issue date Mar 31, 1987
- Canadian Patents and Development Limited
- George P. Demopoulos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...