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Carbon fiber ion exchanger
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Patent number 6,508,962
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Issue date Jan 21, 2003
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Board of Trustees of University of Illinois
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James Economy
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C03 - GLASS MINERAL OR SLAG WOOL
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2360195
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Patent number 2,360,195
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Issue date Oct 10, 1944
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2309366
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Patent number 2,309,366
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Issue date Jan 26, 1943
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2208172
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Patent number 2,208,172
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Issue date Jul 16, 1940
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL