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Geothermal brine processing
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Patent number 6,019,903
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Issue date Feb 1, 2000
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Union Oil Company of California
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Darrell L. Gallup
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Slow acidizing of geological formations
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Patent number 5,979,556
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Issue date Nov 9, 1999
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Union Oil Company of California
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Darrell L. Gallup
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Method for water remediation
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Patent number 5,614,100
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Issue date Mar 25, 1997
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Union Oil Company of California
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Darrell L. Gallup
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Method for water remediation
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Patent number 5,531,902
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Issue date Jul 2, 1996
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Union Oil Company of California
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Darrell L. Gallup
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Platinum recovery
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Patent number 5,290,339
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Issue date Mar 1, 1994
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Union Oil Company of California
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Darrell L. Gallup
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Silica scale deposition control
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Patent number 5,246,593
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Issue date Sep 21, 1993
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Union Oil Company of California
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Darrell L. Gallup
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G05 - CONTROLLING REGULATING
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Brine treatment
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Patent number 5,240,687
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Issue date Aug 31, 1993
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Union Oil Company of California
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Darrell L. Gallup
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F24 - HEATING RANGES VENTILATING
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Brine heat exchanger treatment method
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Patent number 5,190,664
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Issue date Mar 2, 1993
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Union Oil Company of California
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Darrell L. Gallup
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Brine treatment
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Patent number 5,145,656
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Issue date Sep 8, 1992
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Union Oil Company of California
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Darrell L. Gallup
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F24 - HEATING RANGES VENTILATING