Pekka J. Saikkonen

Follow

Person

Espoo, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Non-ferrous metal recovery method utilizing a melt sulphation reaction
- Patent number 6,274,104
- Issue date Aug 14, 2001
- Jussi Rastas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of recovering non-ferrous metal values, especially nickel,...
- Patent number 5,082,638
- Issue date Jan 21, 1992
- Pekka J. Saikkonen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering non-ferrous metal values from ores, concentr...
- Patent number 4,464,344
- Issue date Aug 7, 1984
- Pekka J. Saikkonen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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...