Patents by Inventor Ernest V. Vilcsak

Ernest V. Vilcsak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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