Patents by Inventor Robert E. Stilson

Robert E. Stilson 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).

  • THERMOSIPHON ESTERIFIER
    Publication number: 20160108173
    Abstract: The invention relates to a thermosiphon esterifier design comprising a riser baffle in the vapor separator. Advantageously, the thermosiphon esterifier design can provide an economic benefit as compared with traditional thermosiphon esterifier designs. Methods of using the thermosiphon esterifier design in a system for the production of polyethylene terephthalate are also described.
    Type: Application
    Filed: September 15, 2015
    Publication date: April 21, 2016
    Inventors: Robert Edward NEATE, Clive Alexander HAMILTON, Robert E. STILSON, George Malcolm WILLIAMSON
  • THERMOSIPHON ESTERIFIER STEAM REUSE
    Publication number: 20160010851
    Abstract: The invention relates to recycling steam at elevated temperature and/or pressure generated within a thermosiphon esterifier design comprising a riser baffle in the vapor separator. Advantageously, the thermosiphon esterifier design can provide steam that can be employed in various additional processes and can thus provide an overall energy savings in operating the thermosiphon esterifier. Methods of using the steam are also described.
    Type: Application
    Filed: September 15, 2015
    Publication date: January 14, 2016
    Inventors: Robert Edward NEATE, Clive Alexander Hamilton, Robert E. Stilson, George Malcolm Williamson, Jonathan D. Runnacles
  • BUTANOL RECOVERY PROCESS
    Publication number: 20150152032
    Abstract: The present invention provides an improved process for recovering butanol from a mixture comprising water, methanol, propanol, butanol and optionally other organic compounds. More particularly, the invention relates to a process for recovering butanol as an essentially pure product from a mixture comprising water, methanol, propanol, butanol and other organic compounds.
    Type: Application
    Filed: June 4, 2013
    Publication date: June 4, 2015
    Applicant: INVISTA NORTH AMERICA S.A.R.L.
    Inventors: Graham R. Aird, Colin Anderson, Rakhesh Martyn, Philip N. Ward, Ashley Wells, Robert E. Stilson