Juho K. Makinen

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating iron-bearing slags containing precious metals,...
- Patent number 4,717,419
- Issue date Jan 5, 1988
- Outokumpu Oy
- Juho K. Makinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for chlorinating volatilization of metals which are present...
- Patent number 4,642,133
- Issue date Feb 10, 1987
- Outokumpu Oy
- Juho K. Makinen
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for removal of harmful impurities from metallurgical sulphi...
- Patent number 4,394,164
- Issue date Jul 19, 1983
- Outokumpu Oy
- Juho K. Makinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the roasting and chlorination of finely-divided iron or...
- Patent number 4,259,106
- Issue date Mar 31, 1981
- Outokumpu Oy
- Olavi A. Aaltonen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of refining of melts by means of a pulverous solid material...
- Patent number 4,211,553
- Issue date Jul 8, 1980
- Outokumpu Oy
- Matti E. Honkaniemi
- C21 - METALLURGY OF IRON