Willem P. C. Duyvesteyn

Person

Arvada, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Recovery of critical metals from SX-EW copper raffinate and other s...
- Patent number 11,821,057
- Issue date Nov 21, 2023
- Scandium Internatlonal Mlning Corporatlon
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of lithium from mudstone and sequestration of carbon dio...
- Patent number 11,732,326
- Issue date Aug 22, 2023
- EXTRACTIVE METALLURGY CONSULTANCY, LLC
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the preparation of high purity alumina
- Patent number 11,691,888
- Issue date Jul 4, 2023
- Scandium International Mining Corporation
- Willem P. C. Duyvesteyn
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Countercurrent process for recovering high purity copper sulfate va...
- Patent number 11,673,812
- Issue date Jun 13, 2023
- Scandium International Mining Corporation
- Willem P. C. Duyvesteyn
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Control of recrystallization in cold-rolled AlMn(Mg)ScZr sheets for...
- Patent number 11,471,984
- Issue date Oct 18, 2022
- Scandium International Mining Corporation
- Willem P. C. Duyvesteyn
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Systems and processes for recovering scandium values from laterite...
- Patent number 11,142,809
- Issue date Oct 12, 2021
- Scandium International Mining Corp.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of scandium values from copper leach solutions
- Patent number 10,988,828
- Issue date Apr 27, 2021
- Scandium Intrenational Mining Corporation
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Scandium-containing master alloys and method for making the same
- Patent number 10,450,634
- Issue date Oct 22, 2019
- Scandium International Mining Corporation
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of scandium values through selective precipitation of hema...
- Patent number 10,378,085
- Issue date Aug 13, 2019
- Scandium International Mining Corp.
- Willem P. C. Duyvesteyn
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for recovering scandium values from leach solutions
- Patent number 10,260,127
- Issue date Apr 16, 2019
- Scandium International Mining Corporation
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Systems and methodologies for direct acid leaching of scandium-bear...
- Patent number 9,982,325
- Issue date May 29, 2018
- Scandium International Mining Corp.
- Willem P. C. Duyvesteyn
- C21 - METALLURGY OF IRON
Information Patent Grant
Solvent extraction of scandium from leach solutions
- Patent number 9,982,326
- Issue date May 29, 2018
- Scandium International Mining Corp.
- Willem P. C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods for extracting bitumen from bituminous material
- Patent number 8,877,044
- Issue date Nov 4, 2014
- Shell Canada Energy Cheveron Canada Limited
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for obtaining bitumen from bituminous materials
- Patent number 8,864,982
- Issue date Oct 21, 2014
- Shell Canada Energy Cheveron Canada Limited
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Processing asphaltene-containing tailings
- Patent number 8,679,325
- Issue date Mar 25, 2014
- Shell Oil Company
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for obtaining bitumen from bituminous materials
- Patent number 8,663,462
- Issue date Mar 4, 2014
- Shell Canada Energy Cheveron Canada Limited
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Dry, stackable tailings and methods for producing the same
- Patent number 8,658,029
- Issue date Feb 25, 2014
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oxidation of asphaltenes
- Patent number 8,529,687
- Issue date Sep 10, 2013
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nozzle reactor and method of use
- Patent number 8,449,763
- Issue date May 28, 2013
- Marathon Canadian Oil Sands Holding Limited
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nozzle reactor and method of use
- Patent number 8,435,402
- Issue date May 7, 2013
- Marathon Canadian Oil Sands Holding Limited
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
System and method for recovering boron values from plant tailings
- Patent number 8,372,367
- Issue date Feb 12, 2013
- EMC Metals Corporation
- Willem P. C. Duyvesteyn
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Processing asphaltene-containing tailings
- Patent number 8,354,067
- Issue date Jan 15, 2013
- Shell Oil Company
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Dry, stackable tailings and methods for producing the same
- Patent number 8,257,580
- Issue date Sep 4, 2012
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for obtaining bitumen from bituminous materials
- Patent number 8,101,067
- Issue date Jan 24, 2012
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Separation of tailings that include asphaltenes
- Patent number 7,998,342
- Issue date Aug 16, 2011
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nozzle reactor and method of use
- Patent number 7,988,847
- Issue date Aug 2, 2011
- Marathon Oil Canada Corporation
- Willem Duyvesteyn
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Nozzle reactor and method of use
- Patent number 7,927,565
- Issue date Apr 19, 2011
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method for obtaining bitumen from tar sands
- Patent number 7,909,989
- Issue date Mar 22, 2011
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Biodiesel production and use in oil sands processing
- Patent number 7,824,453
- Issue date Nov 2, 2010
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oxidation of asphaltenes
- Patent number 7,811,444
- Issue date Oct 12, 2010
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
LITHIUM-ION BATTERY WITH SCANDIUM DOPING FOR CATHODE, ANODE, AND EL...
- Publication number 20220393163
- Publication date Dec 8, 2022
- Scandium International Mining Corporation
- Willem P.C. Duyvesteyn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS FOR THE PREPARATION OF HIGH PURITY ALUMINA
- Publication number 20210371294
- Publication date Dec 2, 2021
- Willem P.C. Duyvesteyn
- C01 - INORGANIC CHEMISTRY
Information Patent Application
COUNTERCURRENT PROCESS FOR RECOVERING HIGH PURITY COPPER SULFATE VA...
- Publication number 20210347651
- Publication date Nov 11, 2021
- Scandium International Mining Corp.
- Willem P.C. Duyvesteyn
- C01 - INORGANIC CHEMISTRY
Information Patent Application
RECOVERY OF CRITICAL METALS FROM SX-EW COPPER RAFFINATE AND OTHER S...
- Publication number 20210277497
- Publication date Sep 9, 2021
- Scandium International Mining Corporation
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
BYPRODUCT SCANDIUM RECOVERY FROM LOW GRADE PRIMARY METAL OXIDE ORES
- Publication number 20210172041
- Publication date Jun 10, 2021
- Scandium International Mining Corp.
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
CONTROL OF RECRYSTALLIZATION IN COLD-ROLLED AlMn(Mg)ScZr SHEETS FOR...
- Publication number 20200001407
- Publication date Jan 2, 2020
- Scandium International Mining Corp.
- Willem P.C. Duyvesteyn
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
EXTRACTION OF SCANDIUM VALUES FROM COPPER LEACH SOLUTIONS
- Publication number 20190161827
- Publication date May 30, 2019
- Scandium International Mining Corporation
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING SCANDIUM VALUES FROM LEACH SOLUTIONS
- Publication number 20180312940
- Publication date Nov 1, 2018
- Scandium International Mining Corp.
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERY OF SCANDIUM VALUES THROUGH SELECTIVE PRECIPITATION OF HEMA...
- Publication number 20180282840
- Publication date Oct 4, 2018
- Scandium International Mining Corporation
- Willem P.C. Duyvesteyn
- C21 - METALLURGY OF IRON
Information Patent Application
SCANDIUM-CONTAINING MASTER ALLOYS AND METHOD FOR MAKING THE SAME
- Publication number 20180030577
- Publication date Feb 1, 2018
- Scandium International Mining Corporation
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Systems and Processes for Recovering Scandium Values From Laterite...
- Publication number 20160289795
- Publication date Oct 6, 2016
- Scandium International Mining Corporation
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SOLVENT EXTRACTION OF SCANDIUM FROM LEACH SOLUTIONS
- Publication number 20160177420
- Publication date Jun 23, 2016
- Scandium International Mining Corporation
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEMS AND METHODOLOGIES FOR DIRECT ACID LEACHING OF SCANDIUM-BEAR...
- Publication number 20160153070
- Publication date Jun 2, 2016
- Scandium International Mining Corporation
- Willem P.C. Duyvesteyn
- C21 - METALLURGY OF IRON
Information Patent Application
NOZZLE REACTOR AND METHOD OF USE
- Publication number 20130306519
- Publication date Nov 21, 2013
- Willem P.C. Duyvesteyn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Dry, Stackable Tailings and Methods for Producing the Same
- Publication number 20120305452
- Publication date Dec 6, 2012
- Marathon Oil Canada Corporation
- Willem P. C. Duyvesteyn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
System and Method For Recovering Boron Values From Plant Tailings
- Publication number 20120263637
- Publication date Oct 18, 2012
- EMC Metals Corporation
- Willem P. C. Duyvesteyn
- C01 - INORGANIC CHEMISTRY
Information Patent Application
System and Method for Recovery of Scandium Values From Scandium-Con...
- Publication number 20120207656
- Publication date Aug 16, 2012
- EMC Metals Corporation
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
System and Method for Recovery of Nickel Values From Nickel-Contain...
- Publication number 20120204680
- Publication date Aug 16, 2012
- EMC Metals Corporation
- Willem P. C. Duyvesteyn
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Methods of Upgrading Asphaltene Compositions
- Publication number 20120151834
- Publication date Jun 21, 2012
- Marathon Oil Canada Corporation
- Willem P.C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LOW CARBON DIOXIDE FOOTPRINT PROCESS FOR COAL LIQUEFACTION
- Publication number 20120055850
- Publication date Mar 8, 2012
- EMC Metals Corporation
- Willem P.C. Duyvesteyn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
IN SITU ORE LEACHING USING FREEZE BARRIERS
- Publication number 20110298270
- Publication date Dec 8, 2011
- EMC Metals Corporation
- Willem P.C. Duyvesteyn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
NOZZLE REACTOR AND METHOD OF USE
- Publication number 20110233114
- Publication date Sep 29, 2011
- Marathon Oil Canada Corporation
- Willem P.C. Duyvesteyn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHODS FOR PREPARING SOLID HYDROCARBONS FOR CRACKING
- Publication number 20110180454
- Publication date Jul 28, 2011
- Marathon Oil Canada Corporation
- Willem P.C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHODS FOR EXTRACTING BITUMEN FROM BITUMINOUS MATERIAL
- Publication number 20110180459
- Publication date Jul 28, 2011
- Marathon Oil Canada Corporation
- Willem P.C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHODS FOR EXTRACTING BITUMEN FROM BITUMINOUS MATERIAL
- Publication number 20110180458
- Publication date Jul 28, 2011
- Marathon Oil Canada Corporation
- Willem P. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHODS FOR OBTAINING BITUMEN FROM BITUMINOUS MATERIALS
- Publication number 20110155648
- Publication date Jun 30, 2011
- MARATHON OIL CANADA CORPORATION
- Willem P.C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SYSTEM AND METHOD FOR RECOVERING BORON VALUES FROM PLANT TAILINGS
- Publication number 20110097254
- Publication date Apr 28, 2011
- Willem P.C. Duyvesteyn
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SYSTEMS AND METHODS FOR PROCESSING NOZZLE REACTOR PITCH
- Publication number 20110084000
- Publication date Apr 14, 2011
- Marathon Oil Canada Corporation
- Willem P.C. Duyvesteyn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHODS FOR OBTAINING BITUMEN FROM BITUMINOUS MATERIALS
- Publication number 20110062057
- Publication date Mar 17, 2011
- Marathon Oil Canada Corporation
- Willem P.C. Duyvesteyn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SYSTEM AND METHOD FOR CONVERTING MATERIAL COMPRISING BITUMEN INTO L...
- Publication number 20110017642
- Publication date Jan 27, 2011
- Willem P.C. Duyvesteyn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Willem P. C. Duyvesteyn

Person

Patents Grantslast 30 patents

Recovery of critical metals from SX-EW copper raffinate and other s...

Extraction of lithium from mudstone and sequestration of carbon dio...

Process for the preparation of high purity alumina

Countercurrent process for recovering high purity copper sulfate va...

Control of recrystallization in cold-rolled AlMn(Mg)ScZr sheets for...

Systems and processes for recovering scandium values from laterite...

Extraction of scandium values from copper leach solutions

Scandium-containing master alloys and method for making the same

Recovery of scandium values through selective precipitation of hema...

Method for recovering scandium values from leach solutions

Systems and methodologies for direct acid leaching of scandium-bear...

Solvent extraction of scandium from leach solutions

Methods for extracting bitumen from bituminous material

Methods for obtaining bitumen from bituminous materials

Processing asphaltene-containing tailings

Methods for obtaining bitumen from bituminous materials

Dry, stackable tailings and methods for producing the same

Oxidation of asphaltenes

Nozzle reactor and method of use

Nozzle reactor and method of use

System and method for recovering boron values from plant tailings

Processing asphaltene-containing tailings

Dry, stackable tailings and methods for producing the same

Methods for obtaining bitumen from bituminous materials

Separation of tailings that include asphaltenes

Nozzle reactor and method of use

Nozzle reactor and method of use

Method for obtaining bitumen from tar sands

Biodiesel production and use in oil sands processing

Oxidation of asphaltenes

Patents Applicationslast 30 patents

LITHIUM-ION BATTERY WITH SCANDIUM DOPING FOR CATHODE, ANODE, AND EL...

PROCESS FOR THE PREPARATION OF HIGH PURITY ALUMINA

COUNTERCURRENT PROCESS FOR RECOVERING HIGH PURITY COPPER SULFATE VA...

RECOVERY OF CRITICAL METALS FROM SX-EW COPPER RAFFINATE AND OTHER S...

BYPRODUCT SCANDIUM RECOVERY FROM LOW GRADE PRIMARY METAL OXIDE ORES

CONTROL OF RECRYSTALLIZATION IN COLD-ROLLED AlMn(Mg)ScZr SHEETS FOR...

EXTRACTION OF SCANDIUM VALUES FROM COPPER LEACH SOLUTIONS

METHOD FOR RECOVERING SCANDIUM VALUES FROM LEACH SOLUTIONS

RECOVERY OF SCANDIUM VALUES THROUGH SELECTIVE PRECIPITATION OF HEMA...

SCANDIUM-CONTAINING MASTER ALLOYS AND METHOD FOR MAKING THE SAME

Systems and Processes for Recovering Scandium Values From Laterite...

SOLVENT EXTRACTION OF SCANDIUM FROM LEACH SOLUTIONS

SYSTEMS AND METHODOLOGIES FOR DIRECT ACID LEACHING OF SCANDIUM-BEAR...

NOZZLE REACTOR AND METHOD OF USE

Dry, Stackable Tailings and Methods for Producing the Same

System and Method For Recovering Boron Values From Plant Tailings

System and Method for Recovery of Scandium Values From Scandium-Con...

System and Method for Recovery of Nickel Values From Nickel-Contain...

Methods of Upgrading Asphaltene Compositions

LOW CARBON DIOXIDE FOOTPRINT PROCESS FOR COAL LIQUEFACTION

IN SITU ORE LEACHING USING FREEZE BARRIERS

NOZZLE REACTOR AND METHOD OF USE

METHODS FOR PREPARING SOLID HYDROCARBONS FOR CRACKING

METHODS FOR EXTRACTING BITUMEN FROM BITUMINOUS MATERIAL

METHODS FOR EXTRACTING BITUMEN FROM BITUMINOUS MATERIAL

METHODS FOR OBTAINING BITUMEN FROM BITUMINOUS MATERIALS

SYSTEM AND METHOD FOR RECOVERING BORON VALUES FROM PLANT TAILINGS

SYSTEMS AND METHODS FOR PROCESSING NOZZLE REACTOR PITCH

METHODS FOR OBTAINING BITUMEN FROM BITUMINOUS MATERIALS

SYSTEM AND METHOD FOR CONVERTING MATERIAL COMPRISING BITUMEN INTO L...