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Extraction methods from refractory ores
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Patent number 11,401,578
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Issue date Aug 2, 2022
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TCM RESEARCH LTD.
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Dmitri S. Terekhov
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for the manufacture of nitric oxide
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Patent number 4,774,069
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Issue date Sep 27, 1988
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Johnson Matthey Public Limited Company
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Jack R. Handley
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Recovery of precious metal
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Patent number 4,511,539
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Issue date Apr 16, 1985
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Johnson Matthey Public Limited Company
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David J. Stephenson
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3515541
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Patent number 3,515,541
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Issue date Jun 2, 1970
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3434826
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Patent number 3,434,826
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Issue date Mar 25, 1969
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3057138
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Patent number 3,057,138
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Issue date Oct 9, 1962
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2920953
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Patent number 2,920,953
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Issue date Jan 12, 1960
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2747679
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Patent number 2,747,679
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Issue date May 29, 1956
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2730189
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Patent number 2,730,189
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Issue date Jan 10, 1956
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2648393
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Patent number 2,648,393
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Issue date Aug 11, 1953
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2556488
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Patent number 2,556,488
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Issue date Jun 12, 1951
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2392710
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Patent number 2,392,710
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Issue date Jan 8, 1946
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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286025
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Patent number 286,025
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Issue date Oct 2, 1883
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...