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Process of preparing wax ester
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Patent number 5,532,393
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Issue date Jul 2, 1996
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Metallgesellschaft Aktiengesellschaft
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Eberhard Schlichting
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C07 - ORGANIC CHEMISTRY
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Process for heating hydrogen
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Patent number 4,491,573
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Issue date Jan 1, 1985
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Metallgesellschaft Aktiengesellschaft
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Hans-Martin Stonner
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C01 - INORGANIC CHEMISTRY
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Removing phenols from waste water
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Patent number 4,162,902
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Issue date Jul 31, 1979
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Metallgesellschaft Aktiengesellschaft
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Paul Wiesner
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE