Leo E. Lindroos

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Annikintie, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for processing anode sludge
- Patent number 7,731,777
- Issue date Jun 8, 2010
- Outotec Oyj
- Leo Lindroos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and device for treating anode slime
- Patent number 7,670,575
- Issue date Mar 2, 2010
- Outotec Oyj
- Olli Järvinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the removal of arsenic from sulfuric acid solution
- Patent number 6,495,024
- Issue date Dec 17, 2002
- Cutokumpo OYJ
- Leo Lindroos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for utilizing the copper-arsenic precipitate created in the...
- Patent number 5,141,753
- Issue date Aug 25, 1992
- Outokumpu Oy
- Henri K. Virtanen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Procedure for roasting seleniferous material
- Patent number 4,473,396
- Issue date Sep 25, 1984
- Dutokumpu Oy
- Olli V. J. Hyvarinen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for sulfatizing roasting of a finely-divided selenium-bea...
- Patent number 4,228,133
- Issue date Oct 14, 1980
- Outokumpu Oy
- Leo E. Lindroos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method and Device for Treating Anode Slime
- Publication number 20070274884
- Publication date Nov 29, 2007
- Outokumpu Technology Oyj
- Olli Järvinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for processing anode sludge
- Publication number 20070062335
- Publication date Mar 22, 2007
- Outokumpu Technology OY
- Leo Lindroos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...