Patents Assigned to Yellow Hill LLC
  • Sulfur refining process
    Patent number: 7837971
    Abstract: A process comprising contacting a solvent with a sulfur stream comprising sulfur and a contaminant, separating the sulfur from at least some of the contaminant and at least some of the solvent, thereby producing a decontaminated sulfur stream, contacting the decontaminated sulfur with a washing agent, and separating the sulfur from at least some of the washing agent, thereby producing a purified sulfur stream comprising elemental sulfur.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: November 23, 2010
    Assignee: Yellow Hill LLC
    Inventors: Eric Prim, Naomi Baker
  • Sulfur Refining Process
    Publication number: 20100021371
    Abstract: A process comprising contacting a solvent with a sulfur stream comprising sulfur and a contaminant, separating the sulfur from at least some of the contaminant and at least some of the solvent, thereby producing a decontaminated sulfur stream, contacting the decontaminated sulfur with a washing agent, and separating the sulfur from at least some of the washing agent, thereby producing a purified sulfur stream comprising elemental sulfur.
    Type: Application
    Filed: July 21, 2009
    Publication date: January 28, 2010
    Applicant: YELLOW HILL LLC
    Inventors: Eric PRIM, Naomi BAKER