David B. Dreisinger

Person

Delta, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Polymetallic nodule mineral processing
- Patent number 12,065,715
- Issue date Aug 20, 2024
- LOKE MARINE MINERALS AS
- Benjamin David Geldart
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rapid reduction of aqueous selenate with chromous ions
- Patent number 11,958,764
- Issue date Apr 16, 2024
- SEABRIDGE GOLD INC.
- Maryam Mohammadi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Selective lithium extraction from brines
- Patent number 11,634,789
- Issue date Apr 25, 2023
- InCoR Lithium
- Ken Baxter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rapid reduction of aqueous selenate with chromous ions
- Patent number 11,370,677
- Issue date Jun 28, 2022
- SEABRIDGE GOLD INC.
- Maryam Mohammadi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Recovery of cesium from epithermal mineral deposits
- Patent number 10,738,370
- Issue date Aug 11, 2020
- Cascadero Copper Corporation
- Mohammad Mokmeli
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Acid leaching of rare earth minerals
- Patent number 10,273,562
- Issue date Apr 30, 2019
- Search Minerals Inc.
- David Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovering lead from a lead material including lead sulfide
- Patent number 9,322,105
- Issue date Apr 26, 2016
- The University of British Columbia
- Stefan Fassbender
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovering lead from a mixed oxidized material
- Patent number 9,322,104
- Issue date Apr 26, 2016
- The University of British Columbia
- Stefan Fassbender
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recycling of solids in oxidative pressure leaching of metals using...
- Patent number 9,039,806
- Issue date May 26, 2015
- International PGM Technologies
- David B. Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metathetic copper concentrate enrichment
- Patent number 8,741,238
- Issue date Jun 3, 2014
- Polymet Mining Corp.
- David Bruce Dreisinger
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for recovering indium, silver, gold and rare, precious and b...
- Patent number 8,585,991
- Issue date Nov 19, 2013
- South American Silver Corp.
- David Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Low acid leaching of nickel and cobalt from lean iron-containing ni...
- Patent number 8,361,191
- Issue date Jan 29, 2013
- Search Minerals, Inc.
- David Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ore leach method with aqueous sulfuric acid containing ferric ions
- Patent number 7,799,295
- Issue date Sep 21, 2010
- OZ Minerals Limited
- David Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron oxide precipitation from acidic iron salt solutions
- Patent number 7,604,793
- Issue date Oct 20, 2009
- Metalox International
- Darren Koningen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Solvent extraction of a halide from a aqueous sulphate solution
- Patent number 7,037,482
- Issue date May 2, 2006
- Teck Cominco Metals Ltd.
- Cashman R. S. Mason
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Gold recovery from thiosulfate leaching
- Patent number 6,632,264
- Issue date Oct 14, 2003
- The University of British Columbia
- Hongguang Zhang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Oxidative pressure leach recovery using halide ions
- Patent number 6,315,812
- Issue date Nov 13, 2001
- International PGM Technologies Ltd
- Christopher A. Fleming
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ion exchange and regeneration process for separation and removal of...
- Patent number 5,948,264
- Issue date Sep 7, 1999
- Eichrom Industries, Inc.
- David B. Dreisinger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Gold recovery from refractory carbonaceous ores by pressure oxidati...
- Patent number 5,785,736
- Issue date Jul 28, 1998
- Barrick Gold Corporation
- Kenneth G. Thomas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for electrowinning of copper matte
- Patent number 5,622,615
- Issue date Apr 22, 1997
- The University of British Columbia
- Sharon K. Young
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Ion exchange and regeneration process for separation and removal of...
- Patent number 5,582,737
- Issue date Dec 10, 1996
- Eichrom Industries, Inc.
- Michael J. Gula
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Gold recovery from refractory carbonaceous ores by pressure oxidati...
- Patent number 5,536,297
- Issue date Jul 16, 1996
- Barrick Gold Corporation
- Andrew R. Marchbank
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for selectively removing antimony and bismuth from sulphuric...
- Patent number 5,366,715
- Issue date Nov 22, 1994
- The University of British Columbia
- David B. Dreisinger
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ATTRITIVE CARBON DIOXIDE CAPTURE AS FRIABLE MAGNESIUM CARBONATE PAR...
- Publication number 20240399306
- Publication date Dec 5, 2024
- NEGATIVE EMISSIONS MATERIALS, INC.
- David DREISINGER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
IN-SITU GENERATION OF THIOSULPHATE LIXIVIANT SYSTEMS AND METHODS FO...
- Publication number 20240183003
- Publication date Jun 6, 2024
- SEABRIDGE GOLD INC.
- Mariam MELASHVILI
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
INTEGRATION OF CARBON SEQUESTRATION WITH SELECTIVE HYDROMETALLURGIC...
- Publication number 20240002973
- Publication date Jan 4, 2024
- NEGATIVE EMISSIONS MATERIALS, INC.
- Jeremy William LEY
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
CONCERTED MINERAL CARBONATION AND SELECTIVE LEACHING OF LATERITES
- Publication number 20230407436
- Publication date Dec 21, 2023
- The University of British Columbia
- David DREISINGER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RAPID REDUCTION OF AQUEOUS SELENATE WITH CHROMOUS IONS
- Publication number 20220281762
- Publication date Sep 8, 2022
- SEABRIDGE GOLD INC.
- Maryam Mohammadi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
RAPID REDUCTION OF AQUEOUS SELENATE WITH CHROMOUS IONS
- Publication number 20210221716
- Publication date Jul 22, 2021
- SEABRIDGE GOLD INC.
- Maryam Mohammadi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SELECTIVE LITHIUM EXTRACTION FROM BRINES
- Publication number 20210079497
- Publication date Mar 18, 2021
- Ken Baxter
- C01 - INORGANIC CHEMISTRY
Information Patent Application
RECOVERY OF CESIUM FROM EPITHERMAL MINERAL DEPOSITS
- Publication number 20190048437
- Publication date Feb 14, 2019
- CASCADERO COPPER CORPORATION
- Mohammad MOKMELI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
REDUCED ACID LEACHING AND RESIN IN LEACH EXTRACTION FROM ACID CONSU...
- Publication number 20170204494
- Publication date Jul 20, 2017
- FENIX HYDROMET AUSTRALASIA PTY LTD.
- David Richard SHAW
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ACID LEACHING OF RARE EARTH MINERALS
- Publication number 20170204499
- Publication date Jul 20, 2017
- Search Minerals Inc.
- David Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERING LEAD FROM A MIXED OXIDIZED MATERIAL
- Publication number 20140131219
- Publication date May 15, 2014
- The University of British Columbia
- Stefan Fassbender
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
RECOVERING LEAD FROM A LEAD MATERIAL INCLUDING LEAD SULFIDE
- Publication number 20140131220
- Publication date May 15, 2014
- The University of British Columbia
- Stefan Fassbender
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METATHETIC COPPER CONCENTRATE ENRICHMENT
- Publication number 20140044617
- Publication date Feb 13, 2014
- Polymet Mining Corp.
- David Bruce Dreisinger
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
METHOD FOR RECOVERING INDIUM, SILVER, GOLD AND RARE, PRECIOUS AND B...
- Publication number 20120328494
- Publication date Dec 27, 2012
- David DREISINGER
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
LOW ACID LEACHING OF NICKEL AND COBALT FROM LEAN IRON-CONTAINING NI...
- Publication number 20120186398
- Publication date Jul 26, 2012
- Search Minerals, Inc.
- David Bruce Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METATHETIC COPPER CONCENTRATE ENRICHMENT
- Publication number 20120027652
- Publication date Feb 2, 2012
- Polymet Mining Corp.
- David Bruce Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for Metal Seperation Using Resin-in-Pulp or Resin-in-Soluti...
- Publication number 20110030508
- Publication date Feb 10, 2011
- Fenix Hydromet Australasia Pty.Ltd.
- David Bruce Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECYCLING OF SOLIDS IN OXIDATIVE PRESSURE LEACHING OF METALS USING...
- Publication number 20100206135
- Publication date Aug 19, 2010
- International PGM Technologies
- David Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECYCLING OF SOLIDS IN OXIDATIVE PRESSURE LEACHING OF METALS USING...
- Publication number 20100018351
- Publication date Jan 28, 2010
- International PGM Technologies
- Cashman R.S. Mason
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Iron Oxide Precipitaion from Acidic Iron Salt Solutions
- Publication number 20080206127
- Publication date Aug 28, 2008
- METALOX INTERNATIONAL
- Darren Koningen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Leach Extraction Method
- Publication number 20080050293
- Publication date Feb 28, 2008
- David Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Solvent extraction of a halide from a aqueous sulphate solution
- Publication number 20040179991
- Publication date Sep 16, 2004
- TECK COMINCO METALS LTD.
- Cashman R. S. Mason
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Gold recovery from thiosulfate leaching
- Publication number 20030051581
- Publication date Mar 20, 2003
- Hongguang Zhang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Oxidative pressure leach recovery of precious metals using halide ions
- Publication number 20020152845
- Publication date Oct 24, 2002
- Christopher A. Fleming
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

David B. Dreisinger

Person

Patents Grantslast 30 patents

Polymetallic nodule mineral processing

Rapid reduction of aqueous selenate with chromous ions

Selective lithium extraction from brines

Rapid reduction of aqueous selenate with chromous ions

Recovery of cesium from epithermal mineral deposits

Acid leaching of rare earth minerals

Recovering lead from a lead material including lead sulfide

Recovering lead from a mixed oxidized material

Recycling of solids in oxidative pressure leaching of metals using...

Metathetic copper concentrate enrichment

Method for recovering indium, silver, gold and rare, precious and b...

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

Ore leach method with aqueous sulfuric acid containing ferric ions

Iron oxide precipitation from acidic iron salt solutions

Solvent extraction of a halide from a aqueous sulphate solution

Gold recovery from thiosulfate leaching

Oxidative pressure leach recovery using halide ions

Ion exchange and regeneration process for separation and removal of...

Gold recovery from refractory carbonaceous ores by pressure oxidati...

Process for electrowinning of copper matte

Ion exchange and regeneration process for separation and removal of...

Gold recovery from refractory carbonaceous ores by pressure oxidati...

Method for selectively removing antimony and bismuth from sulphuric...

Patents Applicationslast 30 patents

ATTRITIVE CARBON DIOXIDE CAPTURE AS FRIABLE MAGNESIUM CARBONATE PAR...

IN-SITU GENERATION OF THIOSULPHATE LIXIVIANT SYSTEMS AND METHODS FO...

INTEGRATION OF CARBON SEQUESTRATION WITH SELECTIVE HYDROMETALLURGIC...

CONCERTED MINERAL CARBONATION AND SELECTIVE LEACHING OF LATERITES

RAPID REDUCTION OF AQUEOUS SELENATE WITH CHROMOUS IONS

RAPID REDUCTION OF AQUEOUS SELENATE WITH CHROMOUS IONS

SELECTIVE LITHIUM EXTRACTION FROM BRINES

RECOVERY OF CESIUM FROM EPITHERMAL MINERAL DEPOSITS

REDUCED ACID LEACHING AND RESIN IN LEACH EXTRACTION FROM ACID CONSU...

ACID LEACHING OF RARE EARTH MINERALS

RECOVERING LEAD FROM A MIXED OXIDIZED MATERIAL

RECOVERING LEAD FROM A LEAD MATERIAL INCLUDING LEAD SULFIDE

METATHETIC COPPER CONCENTRATE ENRICHMENT

METHOD FOR RECOVERING INDIUM, SILVER, GOLD AND RARE, PRECIOUS AND B...

LOW ACID LEACHING OF NICKEL AND COBALT FROM LEAN IRON-CONTAINING NI...

METATHETIC COPPER CONCENTRATE ENRICHMENT

Process for Metal Seperation Using Resin-in-Pulp or Resin-in-Soluti...

RECYCLING OF SOLIDS IN OXIDATIVE PRESSURE LEACHING OF METALS USING...

RECYCLING OF SOLIDS IN OXIDATIVE PRESSURE LEACHING OF METALS USING...

Iron Oxide Precipitaion from Acidic Iron Salt Solutions

Leach Extraction Method

Solvent extraction of a halide from a aqueous sulphate solution

Gold recovery from thiosulfate leaching

Oxidative pressure leach recovery of precious metals using halide ions