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Precipitation of scale inhibitors
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Patent number 6,123,869
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Issue date Sep 26, 2000
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Shell Oil Company
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Jimmie Brown Lawson
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Formation fracturing
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Patent number 5,460,226
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Issue date Oct 24, 1995
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Shell Oil Company
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Jimmie B. Lawson
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E21 - EARTH DRILLING MINING
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Precipitation of scale inhibitors
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Patent number 5,346,009
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Issue date Sep 13, 1994
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Shell Oil Company
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Jimmie B. Lawson
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Iron hydroxide removal method
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Patent number 5,223,153
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Issue date Jun 29, 1993
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Shell Oil Company
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Jimmie B. Lawson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Precipitation of scale inhibitors
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Patent number 5,211,237
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Issue date May 18, 1993
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Shell Oil Company
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Robert J. Faircloth
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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