Patents Represented by Attorney L. Kubena

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  • Method for removing polymer from an acid gas treating system
    Patent number: 6989046
    Abstract: A method for removing polymer from an acid gas treating system comprising contacting an acid gas containing stream with an aqueous alkanolamine solution and hydrocarbon solvent to form a mixture of an alkanolamine rich solution having the acid gases or byproducts thereof contained therein and the hydrocarbon solvent, where the hydrocarbon solvent has about 60 to 100 volume % aromatics content; and about 50 to 85 volume % two ring aromatic content, based on the total volume of the solvent.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: January 24, 2006
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: David R. Slim, Ernest V. Vilcsak