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Inventor

TOURO FREDDIE J

US8 patents
⚠️ This page may combine multiple inventors who share the name “TOURO FREDDIE J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FREEPORT MCMORAN INC

3 patents
US5147617ASep 15, 1992

Process for recovery of gold from gold ores using a complexing pretreatment and sulfurous acid leaching

FREEPORT MCMORAN INC44 citations91
US5147618ASep 15, 1992

Process for recovery of gold from refractory gold ores using sulfurous acid as the leaching agent

FREEPORT MCMORAN INC44 citations91
US5236676AAug 17, 1993

Pressure chlorination of refractory gold ores

FREEPORT MCMORAN INC11 citations65

FREEPORT MINERALS CO

3 patents
US3962402AJun 8, 1976

Oxidation-leaching of chalcopyrite

FREEPORT MINERALS CO44 citations91
US3961908AJun 8, 1976

Autoclave system for leaching sulfide concentrates

FREEPORT MINERALS CO34 citations91
US4605537AAug 12, 1986

Sulfide as a hypochlorite kill agent

FREEPORT MINERALS CO10 citations72

TOURO FREDDIE J

2 patents
US4726939AFeb 23, 1988

Process for the removal of mercury from precious metal-cyanide liquors

TOURO FREDDIE J10 citations70
US4734270AMar 29, 1988

Sulfide treatment to inhibit mercury adsorption onto activated carbon in carbon-in-pulp gold recovery circuits

TOURO FREDDIE J12 citations64