Inventor
LITCHFIELD JOHN K
9 patents
⚠️ This page may combine multiple inventors who share the name “LITCHFIELD JOHN K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KENNECOTT COPPER CORP
5 patentsUS4211753AJul 8, 1980
Recovery of molybdenum values from dilute solutions
KENNECOTT COPPER CORP13 citations72
US4197117AApr 8, 1980
Recovery of copper by ferrous ion precipitation
KENNECOTT COPPER CORP8 citations72
US4005173AJan 25, 1977
Steam stripping of ammoniacal solutions and simultaneous loading of metal values by organic acids
KENNECOTT COPPER CORP13 citations72
US3950487AApr 13, 1976
Solvent-in-pulp extraction of copper and nickel from ammoniacal leach slurries
KENNECOTT COPPER CORP12 citations72
US4248837AFeb 3, 1981
Solvent extraction of copper, nickel with methyl hexyl dioxime
KENNECOTT COPPER CORP4 citations59