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High purity polyether polyols
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Patent number 4,946,939
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Issue date Aug 7, 1990
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The Dow Chemical Company
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Frank H. Murphy
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Purifying geothermal steam
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Patent number 4,528,817
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Issue date Jul 16, 1985
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The Dow Chemical Company
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Robert T. Jernigan
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Purifying geothermal steam
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Patent number 4,468,929
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Issue date Sep 4, 1984
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The Dow Chemical Company
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Robert T. Jernigan
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Purifying geothermal steam
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Patent number 4,414,817
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Issue date Nov 15, 1983
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The Dow Chemical Company
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Robert T. Jernigan
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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