Inventor
BOORMAN ROY S
CA5 patents
⚠️ This page may combine multiple inventors who share the name “BOORMAN ROY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROVINCIAL HOLDINGS LTD
4 patentsUS4619814AOct 28, 1986
Process for the recovery of non-ferrous metals from sulphide ores and concentrates
PROVINCIAL HOLDINGS LTD55 citations89
US4415540ANov 15, 1983
Recovery of non-ferrous metals by thermal treatment of solutions containing non-ferrous and iron sulphates
PROVINCIAL HOLDINGS LTD53 citations89
US4372782AFeb 8, 1983
Recovery of lead and silver from minerals and process residues
PROVINCIAL HOLDINGS LTD20 citations76
US4317803AMar 2, 1982
Recovery of non-ferrous metals by thermal treatments of solutions containing non-ferrous and iron sulphates
PROVINCIAL HOLDINGS LTD9 citations71