Patents by Inventor Thomas E. Vos

Thomas E. Vos 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).

  • Extraction solvent control for reducing stable emulsions
    Patent number: 9011691
    Abstract: Disclosed herein are methods for recovering diphosphite-containing compounds from mixtures comprising organic mononitriles and organic dinitriles, using liquid-liquid extraction. Also disclosed are treatments to enhance extractability of the diphosphite-containing compounds.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: April 21, 2015
    Assignee: INVISTA North America S.a.r.l.
    Inventors: William J. Tenn, III, Sudhir N. V. K. Aki, Tseng H. Chao, Thomas E. Vos
  • PROCESS FOR MAKING NITRILES
    Publication number: 20140235887
    Abstract: The present invention relates to a process for hydrocyanating 3-pentenenitrile. The process can include feeding 3-pentenenitrile and HCN to a hydrocyanation reaction zone that includes a Lewis acid promoter, nickel, and a phosphorus-containing ligand. In various embodiments, the process can also include controlling water concentration within the hydrocyanation reaction zone sufficient to maintain a high activity of the ligand catalyst complex while recycling at least a portion of the ligand catalyst complex.
    Type: Application
    Filed: October 4, 2012
    Publication date: August 21, 2014
    Applicant: INVISTA NORTH AMERICA S.A R.L.
    Inventors: Sudhir Aki, Wyatte E. Allen, Mark Anstrom, Charles Nelson Campbell, Tseng Chao, James E. Mcintosh, Larry E. Moerbe, Bruce Edwin Murphree, Mark D. Rogers, William J. Tenn, Thomas E. Vos, Michael W. Wensing
  • Highly selective process for producing organodiphosphites
    Patent number: 8772549
    Abstract: Disclosed is a method for making a diphosphite of Structure I,
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: July 8, 2014
    Assignee: INVISTA North America S.à r.l.
    Inventors: Joachim C. Ritter, Thomas E. Vos
  • Highly selective process for producing organodiphosphites
    Patent number: 8609901
    Abstract: Disclosed is a method for making a diphosphite of Structure I,
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: December 17, 2013
    Assignee: Invista North America S.A R.L.
    Inventors: Joachim C. Ritter, Thomas E. Vos
  • HIGHLY SELECTIVE PROCESS FOR PRODUCING ORGANODIPHOSPHITES
    Publication number: 20100267991
    Abstract: Disclosed is a method for making a diphosphite of Structure I,
    Type: Application
    Filed: April 15, 2010
    Publication date: October 21, 2010
    Applicant: INVISTA NORTH AMERICA S.A.R.L.
    Inventors: JOACHIM C. RITTER, Thomas E. Vos
  • HIGHLY SELECTIVE PROCESS FOR PRODUCING ORGANODIPHOSPHITES
    Publication number: 20100267990
    Abstract: Disclosed is a method for making a diphosphite of Structure I,
    Type: Application
    Filed: April 15, 2010
    Publication date: October 21, 2010
    Applicant: INVISTA NORTH AMERICA S.A R.L.
    Inventors: JOACHIM C. RITTER, Thomas E. Vos