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Marko Lahtinen
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Helsinki, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for homogenizing and stabilizing an iron-beari...
Patent number
9,085,020
Issue date
Jul 21, 2015
Outotec Oyj
Leena Lehtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering rare metals in zinc leaching process
Patent number
7,811,357
Issue date
Oct 12, 2010
Outotec Oyj
Marko Lahtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for the removal of copper from a zinc sulphate solution
Patent number
7,682,581
Issue date
Mar 23, 2010
Outotec Oyj
Leena Lehtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovery of zinc by countercurrent leaching
Patent number
7,517,383
Issue date
Apr 14, 2009
Outotec Oyj
Aimo Järvinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for precipitating iron from a zinc sulphate solution as hema...
Patent number
7,294,319
Issue date
Nov 13, 2007
Outotec Oyj
Marko Lahtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for manufacturing alkali metal or alkaline-earth metal formate
Patent number
6,492,551
Issue date
Dec 10, 2002
Kemira Chemicals OY
Erkki Paatero
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing formic acid
Patent number
6,429,333
Issue date
Aug 6, 2002
Kemira Chemicals OY
Kari Saari
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR HOMOGENISING AND STABILISING AN IRON-BEARI...
Publication number
20130060075
Publication date
Mar 7, 2013
OUTOTEC OYJ
Leena Lehtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for Recovering Rare Metals in Zinc Leaching Process
Publication number
20080271572
Publication date
Nov 6, 2008
OUTOTEC OYJ
Marko Lahtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for recovery of zinc by countercurrent leaching
Publication number
20060213332
Publication date
Sep 28, 2006
Outokumpu Oyj
Aimo Jarvinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for precipitating iron from a zinc sulphate solution as hema...
Publication number
20050069474
Publication date
Mar 31, 2005
Marko Lahtinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...