Patents by Inventor Willie Josue Perez

Willie Josue Perez 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).

  • Process for reducing 3,3,3-trifluoropropyne in 2,3,3,3-tetrafluoropropene
    Patent number: 10913697
    Abstract: The invention relates to a process for reducing the concentration of a fluorinated alkyne impurity, such as 3,3,3-trifluoropropyne (TFPY), in 2,3,3,3-tetrafluoropropene (HFO-1234yf) which comprises contacting such a mixture with a caustic material, such as sodium hydroxide (NaOH), under conditions effective to reduce the concentration of the fluorinated alkyne impurity, including in some practices reducing the concentration by at least about 50%.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: February 9, 2021
    Assignee: Honeywell International Inc.
    Inventors: Haiyou Wang, Hsueh Sung Tung, Willie Josue Perez, Yian Zhai, Ralph John Borowski, Fang Huang Tu, Lucas Peter Labuda, John L. Welch
  • PROCESS FOR REDUCING 3,3,3-TRIFLUOROPROPYNE IN 2,3,3,3-TETRAFLUOROPROPENE
    Publication number: 20200055804
    Abstract: The invention relates to a process for reducing the concentration of a fluorinated alkyne impurity, such as 3,3,3-trifluoropropyne (TFPY), in 2,3,3,3-tetrafluoropropene (HFO-1234yf) which comprises contacting such a mixture with a caustic material, such as sodium hydroxide (NaOH), under conditions effective to reduce the concentration of the fluorinated alkyne impurity, including in some practices reducing the concentration by at least about 50%.
    Type: Application
    Filed: November 2, 2017
    Publication date: February 20, 2020
    Inventors: Haiyou Wang, Hsueh Sung Tung, Willie Josue Perez, Yian Zhai, Ralph John Borowski, Fang Huang Tu, Lucas Peter Labuda, John L. Welch