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Gold/Mining/Energy : Energy Biosystem Corp NASDAQ-ENBC -- Ignore unavailable to you. Want to Upgrade?

To: dwight martin who wrote (249)	7/8/1999 1:51:00 PM
From: dwight martin	Read Replies (1) \| Respond to of 336

United States Patent 5,919,683Gray, et. al.Jul. 6, 1999 ------------------------------------------------------------------------ Rhodococcus flavin reductase complementing DSZA and DSZC activity Abstract The invention provides a novel flavin reductase, which has been isolated from Rhodococcus strain sp. IGTS8 and purified to homogeneity. The flavin reductase is of use in the biocatalytic desulfurization of a fossil fuel containing organic sulfur compounds. The method comprises the steps of (1) contacting the fossil fuel with an aqueous phase containing a biocatalyst capable of cleaving carbon-sulfur bonds and a rate-enhancing amount of the flavin reductase of the present invention, thereby forming a fossil fuel and aqueous phase mixture; (2) maintaining the mixture under conditions sufficient for cleavage of the carbon-sulfur bonds of the organic sulfur molecules by the biocatalyst, thereby resulting in a fossil fuel having a reduced organic sulfur content; and (3) separating the fossil fuel having a reduced organic sulfur content from the resulting aqueous phase. ------------------------------------------------------------------------ Inventors: Gray; Kevin A. (The Woodlands, TX); Childs; John D. (The Woodlands, TX); Squires; Charles H. (The Woodlands, TX). Assignee: Energy BioSystems Corporation (The Woodlands, TX). Appl. No.: 105,057Filed: Jun. 26, 1998