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Methods of recovering rare earth elements
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Patent number 10,954,585
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Issue date Mar 23, 2021
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Battelle Energy Alliance, LLC
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John Klaehn
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Fluid extraction
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Patent number 5,965,025
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Issue date Oct 12, 1999
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Idaho Research Foundation, Inc.
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Chien M. Wai
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B08 - CLEANING
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Hydroxamic acid crown ethers
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Patent number 5,274,129
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Issue date Dec 28, 1993
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Idaho Research Foundation, Inc.
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Nicholas R. Natale
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B08 - CLEANING
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Process for beneficiating sulfide ores
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Patent number 4,289,529
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Issue date Sep 15, 1981
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Hazen Research, Inc.
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James K. Kindig
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for beneficiating sulfide ores
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Patent number 4,289,528
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Issue date Sep 15, 1981
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Hazen Research, Inc.
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James K. Kindig
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for beneficiating ores
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Patent number 4,276,081
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Issue date Jun 30, 1981
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Hazen Research, Inc.
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James K. Kindig
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for beneficiating oxide ores
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Patent number 4,257,881
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Issue date Mar 24, 1981
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Hazen Research, Inc.
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James K. Kindig
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for beneficiating oxide ores
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Patent number 4,205,979
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Issue date Jun 3, 1980
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Hazen Research, Inc.
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James K. Kindig
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3576620
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Patent number 3,576,620
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Issue date Apr 27, 1971
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3169056
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Patent number 3,169,056
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Issue date Feb 9, 1965
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3088955
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Patent number 3,088,955
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Issue date May 7, 1963
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...