Inventor
HEDLUND MARTIN L
SE4 patents
Patents
4 patentsUS4571261AFeb 18, 1986
Method for recovering lead from waste lead products
BOLIDEN AB23 citations77
US4705562ANov 10, 1987
Method for working-up waste products containing valuable metals
BOLIDEN AB9 citations69
US4512798AApr 23, 1985
Method for producing lead from sulphidic and oxidic and/or sulphatic lead raw materials
BOLIDEN AB9 citations68
US4508565AApr 2, 1985
Method for producing lead from oxidic lead raw materials which contain sulphur
BOLIDEN AB5 citations57