Heikki A. Tiitinen

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Ulvila, FI

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Patents Grantslast 30 patents

Information Patent Grant
Process for the recovery of valuable metals from spent crude-oil su...
- Patent number 4,474,735
- Issue date Oct 2, 1984
- Outokumpu Oy
- Jussi K. Rastas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of cobalt from its impure, aqueous, in par...
- Patent number 4,208,380
- Issue date Jun 17, 1980
- Outokumpu Oy
- Matti J. Hamalainen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the production of extra fine cobalt powder
- Patent number 4,178,172
- Issue date Dec 11, 1979
- Outokumpu Oy
- Heikki A. Tiitinen
- B22 - CASTING POWDER METALLURGY