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Recovering mineral values from ores
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Patent number 4,892,715
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Issue date Jan 9, 1990
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Phillips Petroleum Company
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Robert L. Horton
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Recovering mineral values from ores
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Patent number 4,880,607
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Issue date Nov 14, 1989
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Phillips Petroleum Company
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Robert L. Horton
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Removal of mercury from gases
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Patent number 4,843,102
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Issue date Jun 27, 1989
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Phillips Petroleum Company
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Robert L. Horton
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Removal of mercury from gases
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Patent number 4,591,490
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Issue date May 27, 1986
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Phillips Petroleum Co.
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Robert L. Horton
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Agents for petroleum recovery processes
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Patent number 4,574,885
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Issue date Mar 11, 1986
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Phillips Petroleum Company
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Robert L. Horton
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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