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Desulfurization of petroleum products
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Patent number 6,231,755
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Issue date May 15, 2001
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E. I. Du Pont de Nemours and Company
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Shaun Terrance Einar Mesher
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3068171
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Patent number 3,068,171
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Issue date Dec 11, 1962
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2639261
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Patent number 2,639,261
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Issue date May 19, 1953
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C07 - ORGANIC CHEMISTRY