Inventor
PETERSSON STIG A
SE14 patents
⚠️ This page may combine multiple inventors who share the name “PETERSSON STIG A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOLIDEN AB
13 patentsUS4489046ADec 18, 1984
Method for working-up arsenic-containing waste
BOLIDEN AB21 citations79
US4571260AFeb 18, 1986
Method for recovering the metal values from materials containing tin and/or zinc
BOLIDEN AB25 citations78
US4144055AMar 13, 1979
Method of producing blister copper
BOLIDEN AB17 citations71
US4515631AMay 7, 1985
Method for producing blister copper
BOLIDEN AB8 citations70
US4388110AJun 14, 1983
Method for recovering the metal content of complex sulphidic metal raw materials
BOLIDEN AB8 citations68
US4520003AMay 28, 1985
Method of manufacturing sulphur-trioxide for the production of sulphuric acid
BOLIDEN AB11 citations66
US4251715AFeb 17, 1981
Method for directly heating concentrated sulfuric acid by electric current flow between surface-passivated electrodes
BOLIDEN AB12 citations66
US4514217AApr 30, 1985
Method of producing lead from sulphidic lead raw-material
BOLIDEN AB3 citations62
US4447963AMay 15, 1984
Method for producing a fuel from solid bituminous and/or lignocellulosic material
BOLIDEN AB2 citations62
US4204861AMay 27, 1980
Method of producing blister copper
BOLIDEN AB6 citations60
US4584017AApr 22, 1986
Method for producing metallic lead by direct lead-smelting
BOLIDEN AB4 citations59
US4396426AAug 2, 1983
Manufacture of lead from sulphidic lead raw material
BOLIDEN AB3 citations57
US4244733AJan 13, 1981
Method of producing blister copper from copper raw material containing antimony
BOLIDEN AB5 citations55