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Method for separating materials
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Patent number 5,665,237
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Issue date Sep 9, 1997
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Henkel Corporation
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William G. Kozak
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Method for separating materials
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Patent number 5,501,796
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Issue date Mar 26, 1996
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Henkel Corporation
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William G. Kozak
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE