14 patents
Utility
Recovery of critical metals from SX-EW copper raffinate and other solutions derived from leaching ores with sulfuric acid
21 Nov 23
A method for extracting secondary metal values from a sulfuric acid leachate is provided.
Willem P. C. Duyvesteyn
Filed: 4 Mar 21
Utility
Process for the preparation of high purity alumina
4 Jul 23
A method for preparing high purity alumina (HPA) is provided.
Willem P. C. Duyvesteyn
Filed: 15 May 21
Utility
Lithium-ion Battery with Scandium Doping for Cathode, Anode, and Electrolyte Materials
8 Dec 22
A lithium ion battery is provided which includes an LTO anode; an LNMO cathode; and an electrolyte.
Willem P.C. Duyvesteyn
Filed: 4 Jun 21
Utility
Control of recrystallization in cold-rolled AlMn(Mg)ScZr sheets for brazing applications
18 Oct 22
A method for fabricating an article from an aluminum alloy is provided.
Willem P. C. Duyvesteyn
Filed: 26 Jun 19
Utility
Direct scandium alloying
12 Jul 22
A method is provided for forming a metal alloy.
Nigel Ricketts
Filed: 16 Jan 19
Utility
Process for the Preparation of High Purity Alumina
2 Dec 21
A method for preparing high purity alumina (HPA) is provided.
Willem P.C. Duyvesteyn
Filed: 15 May 21
Utility
Countercurrent Process for Recovering High Purity Copper Sulfate Values from Low Grade Ores
11 Nov 21
A method for extracting copper values from a low grade copper ore feedstock is provided.
Willem P.C. Duyvesteyn
Filed: 16 Aug 20
Utility
Systems and processes for recovering scandium values from laterite ores
12 Oct 21
A method is provided for extracting scandium values from a scandium bearing laterite ore.
Willem P. C. Duyvesteyn
Filed: 10 Feb 16
Utility
Recovery of Critical Metals from Sx-ew Copper Raffinate and Other Solutions Derived from Leaching Ores with Sulfuric Acid
9 Sep 21
A method for extracting secondary metal values from a sulfuric acid leachate is provided.
Willem P.C. Duyvesteyn
Filed: 4 Mar 21
Utility
Byproduct Scandium Recovery from Low Grade Primary Metal Oxide Ores
10 Jun 21
A method for extracting metal values from a low grade primary metal oxide ore feedstock is provided.
Willem P.C. Duyvesteyn
Filed: 20 Aug 20
Utility
Scandium master alloy production
27 Apr 21
A method is provided for forming a scandium-bearing aluminum alloy.
Nigel Ricketts
Filed: 16 Jan 19
Utility
Extraction of scandium values from copper leach solutions
27 Apr 21
A method is provided for extracting scandium values from an ore feedstock.
Willem P. C. Duyvesteyn
Filed: 21 Nov 18
Utility
CONTROL OF RECRYSTALLIZATION IN COLD-ROLLED AlMn(Mg)ScZr SHEETS FOR BRAZING APPLICATIONS
1 Jan 20
A method for fabricating an article from an aluminum alloy is provided.
Willem P.C. Duyvesteyn
Filed: 25 Jun 19
Utility
Scandium-containing master alloys and method for making the same
21 Oct 19
A method (101) is provided for making a scandium-containing alloy.
Willem P. C. Duyvesteyn
Filed: 30 Jul 17
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