Inventor

DREISINGER DAVID

CA16 patents

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

BARRICK GOLD CORP

2 patents

US5785736AJul 28, 1998

Gold recovery from refractory carbonaceous ores by pressure oxidation, thiosulfate leaching and resin-in-pulp adsorption

BARRICK GOLD CORP86 citations93

US5536297AJul 16, 1996

Gold recovery from refractory carbonaceous ores by pressure oxidation and thiosulfate leaching

BARRICK GOLD CORP94 citations93

SEABRIDGE GOLD INC

2 patents

US11370677B2Jun 28, 2022

Rapid reduction of aqueous selenate with chromous ions

SEABRIDGE GOLD INC2 citations62

US11958764B2Apr 16, 2024

Rapid reduction of aqueous selenate with chromous ions

SEABRIDGE GOLD INC0 citations51

SEARCH MINERALS INC

2 patents

US8361191B2Jan 29, 2013

Low acid leaching of nickel and cobalt from lean iron-containing nickel ores

SEARCH MINERALS INC4 citations50

US10273562B2Apr 30, 2019

Acid leaching of rare earth minerals

SEARCH MINERALS INC0 citations42

BASF SE

2 patents

US9322104B2Apr 26, 2016

Recovering lead from a mixed oxidized material

BASF SE0 citations44

US9322105B2Apr 26, 2016

Recovering lead from a lead material including lead sulfide

BASF SE0 citations44

UNIV BRITISH COLUMBIA

1 patent

US6632264B2Oct 14, 2003

Gold recovery from thiosulfate leaching

UNIV BRITISH COLUMBIA36 citations90

INTERNAT PGM TECHNOLOGIES LTD

1 patent

US6315812B1Nov 13, 2001

Oxidative pressure leach recovery using halide ions

INTERNAT PGM TECHNOLOGIES LTD30 citations84

DREISINGER DAVID

1 patent

US8585991B2Nov 19, 2013

Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores

DREISINGER DAVID6 citations58

CASCADERO COPPER CORP

1 patent

US10738370B2Aug 11, 2020

Recovery of cesium from epithermal mineral deposits

CASCADERO COPPER CORP3 citations53

InCoR Lithium

1 patent

US11634789B2Apr 25, 2023

Selective lithium extraction from brines

InCoR Lithium1 citations49

OZ MINERALS LTD

1 patent

US7799295B2Sep 21, 2010

Ore leach method with aqueous sulfuric acid containing ferric ions

OZ MINERALS LTD2 citations44

LOKE MARINE MINERALS AS

1 patent

US12065715B2Aug 20, 2024

Polymetallic nodule mineral processing

LOKE MARINE MINERALS AS0 citations40

FIRST VANADIUM CORP

1 patent

US11697600B2Jul 11, 2023

Vanadium extraction from disparate shale ores

FIRST VANADIUM CORP0 citations28