Patents by Inventor John Edward Kulach

John Edward Kulach 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).

  • Patent number: 9890335
    Abstract: Methods and apparatus for removing sulfur compounds from a hydrocarbon stream are disclosed. In one exemplary embodiment, a method for removing sulfur compounds from a hydrocarbon stream includes the steps of steam stripping a mixed hydrocarbon stream to form a steam stripped overhead stream comprising naphtha and lighter hydrocarbons and a steam stripped bottoms stream comprising naphtha and heavier hydrocarbons; fractionating the steam stripped bottoms stream to form a fractionated overhead stream comprising naphtha hydrocarbons; combining the steam stripped overhead stream with a portion of the fractionated overhead stream and an H2-rich makeup gas stream; and hydrodesulfurizing the combined stream to form an HDS reaction effluent stream.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: February 13, 2018
    Assignee: UOP LLC
    Inventors: Steven F. Zink, John Edward Kulach
  • Publication number: 20160024396
    Abstract: Methods and apparatus for removing sulfur compounds from a hydrocarbon stream are disclosed. In one exemplary embodiment, a method for removing sulfur compounds from a hydrocarbon stream includes the steps of steam stripping a mixed hydrocarbon stream to form a steam stripped overhead stream comprising naphtha and lighter hydrocarbons and a steam stripped bottoms stream comprising naphtha and heavier hydrocarbons; fractionating the steam stripped bottoms stream to form a fractionated overhead stream comprising naphtha hydrocarbons; combining the steam stripped overhead stream with a portion of the fractionated overhead stream and an H2-rich makeup gas stream; and hydrodesulfurizing the combined stream to form an HDS reaction effluent stream.
    Type: Application
    Filed: July 22, 2014
    Publication date: January 28, 2016
    Inventors: Steven F. Zink, John Edward Kulach