Rotrou Alan Hall

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Mississauga, CA

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Patents Grantslast 30 patents

Information Patent Grant
Pelletizing sulfation of anode slimes
- Patent number 4,272,493
- Issue date Jun 9, 1981
- The International Nickel Co., Inc.
- Kohur N. Subramanian
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Pelletizing sulfation of titanium concentrates
- Patent number 4,247,523
- Issue date Jan 27, 1981
- The International Nickel Company, Inc.
- Rotrou A. Hall
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovering iron, nickel, or cobalt from sulfate solution
- Patent number 4,006,215
- Issue date Feb 1, 1977
- The International Nickel Company, Inc.
- Rotrou Alan Hall
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...