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Separation of oil from water
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Patent number 4,302,337
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Issue date Nov 24, 1981
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The Dow Chemical Company
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Edwin G. Larson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Separation of oil from water
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Patent number 4,172,031
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Issue date Oct 23, 1979
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The Dow Chemical Company
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Richard H. Hall
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Ar-halo-ar(t-alkyl)styrenes polymers
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Patent number 4,054,733
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Issue date Oct 18, 1977
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The Dow Chemical Company
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Richard H. Hall
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Valve and method for aqueous systems
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Patent number 4,024,882
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Issue date May 24, 1977
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The Dow Chemical Company
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Daniel H. Haigh
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Packaging for hazardous liquids
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Patent number 3,999,653
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Issue date Dec 28, 1976
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The Dow Chemical Company
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Daniel H. Haigh
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Package
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Patent number 3,958,590
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Issue date May 25, 1976
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The Dow Chemical Company
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Richard H. Hall
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL