Patents by Inventor Vavasori Andrea

Vavasori Andrea 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 preparing polyketone
    Patent number: 7803897
    Abstract: The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, using a mixed solvent of 40 to 60 mol % acetic acid and 40 to 60 mol % water, as a liquid medium, and the precursor of palladium chloride-1,3-bis[di(methoxyphenyl)phosphino]propane, as a catalyst component.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: September 28, 2010
    Assignee: Hyosung Corporation
    Inventors: Jean-Young Jang, Jong-In Choi, Hae-Souk Cho, Jae-Yoon Shim, Sung-Kyun Yoon, Heon-Su Kim, Toniolo Luigi, Vavasori Andrea
  • Process for preparing polyketone
    Publication number: 20080161531
    Abstract: The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, using a mixed solvent of 40 to 60 mol % acetic acid and 40 to 60 mol % water, as a liquid medium, and the precursor of palladium chloride-1,3-bis[di(methoxyphenyl)phosphino]propane, as a catalyst component.
    Type: Application
    Filed: July 12, 2007
    Publication date: July 3, 2008
    Applicant: HYOSUNG Corporation
    Inventors: Jean-Young Jang, Jong-In Choi, Hae-Souk Cho, Jae-Yoon Shim, Sung-Kyun Yoon, Heon-Su Kim, Toniolo Luigi, Vavasori Andrea