Aija Rytioja

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Kokkola, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for the removal of mercury from sulphuric acid with thiosulp...
- Patent number 7,452,521
- Issue date Nov 18, 2008
- Outotec OYJ
- Dag Berg
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the stabilization of a fluidized bed in a roasting furnace
- Patent number 6,926,752
- Issue date Aug 9, 2005
- Outokumpu Oyj
- Pekka Taskinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method for the removal of mercury from sulphuric acid with thiosulp...
- Publication number 20070053827
- Publication date Mar 8, 2007
- Outokumpu Technology OY
- Dag Berg
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for the stabilization of a fluidized bed in a roasting furnace
- Publication number 20040050209
- Publication date Mar 18, 2004
- Pekka Taskinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...