Risto J. Honkala

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Vanha-Ulvila, FI

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Patents Grantslast 30 patents

Information Patent Grant
Process for exploitation of low grade oxidic and iron-bearing compl...
- Patent number 4,740,239
- Issue date Apr 26, 1988
- Outokumpu Oy
- Frans H. Tuovinen
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the treatment of a raw material which contains oxide an...
- Patent number 4,355,005
- Issue date Oct 19, 1982
- Outokumpu Oy
- Jussi K. Rastas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the production of activated carbon from a moist organic...
- Patent number 4,313,849
- Issue date Feb 2, 1982
- Outokumpu Oy
- Frans H. Tuovinen
- C01 - INORGANIC CHEMISTRY