Patents by Inventor Robert N. D'Alessandro

Robert N. D'Alessandro 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 and apparatus for converting and removing organosulfur and other oxidizable compounds from distillate fuels, and compositions obtained thereby
    Patent number: 7820031
    Abstract: The present disclosure is directed to a multi-stage system and a process utilizing said system with the design of reducing the sulfur-content in a liquid comprising hydrocarbons and organosulfur compounds. The process comprising at least one of the following states: (1) an oxidation stage; (2) an extraction state; (3) a raffinate washing stage; (4) a raffinate polishing stage; (5) a solvent recovery stage; (6) a solvent purification stage; and (7) a hydrocarbon recovery stage. The process for removing sulfur-containing hydrocarbons from gas oil, which comprises oxidizing gas oil comprising hydrocarbons and organosulfur compounds to obtain a product gas oil.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: October 26, 2010
    Assignee: Degussa Corporation
    Inventors: Robert N. D'Alessandro, John Tarabocchia, Jerald Andrew Jones, Steven E. Bonde, Stefan Leininger