Jaakko O. Leppinen

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Vammala, FI

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for the removal of mercury from sulfur dioxid...
- Patent number 4,579,726
- Issue date Apr 1, 1986
- Outokumou Oy
- Aimo M. F. Kuivala
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Flotation recovery of lead, silver and gold as sulfides from electr...
- Patent number 4,385,038
- Issue date May 24, 1983
- Outokumpu Oy
- Jussi K. Rastas
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...