US Patent 11090579 Separating rare earth metal oxalates
Patent 11090579 was granted and assigned to Iowa State University on August, 2021 by the United States Patent and Trademark Office.
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Patent abstract
A method is provided for separating and/or purifying different metal oxalates by mixing the different metal oxalates in an aqueous solution comprising oxalic acid and an organic base so that at least one metal oxalate is soluble and at least another metal oxalate is not soluble. Different rare earth metal oxalates and/or transition metal oxalates can be separated.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
110905790
Date of Patent
August 17, 2021
0Patent Application Number
201901220
Date Filed
January 22, 2019
0Official Website
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
110905790
Date of Patent
August 17, 2021
0Patent Application Number
201901220
Date Filed
January 22, 2019
0Official Website
Edits on 19 May, 2022
Golden AI
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Edits on 6 Oct, 2021
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US Patent 11090579 Separating rare earth metal oxalates
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11090579
Date of patent
August 17, 2021
Patent application number
20190122
Date Filed
January 22, 2019
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