Patents by Inventor Severine Lavy

Severine Lavy 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 polyether polyols
    Patent number: 9156761
    Abstract: The present invention relates to a process for preparing polyetherols by catalytic ring-opening polymerization, wherein at least one nitrogen-containing cyclic precatalyst compound is used.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: October 13, 2015
    Assignee: BASF SE
    Inventors: Kerstin Wiss, Sirus Zarbakhsh, Achim Loeffler, Peter Deglmann, Michael Limbach, Ronald Lindner, Severine Lavy, Michael Ludwik Lejkowski
  • PROCESS FOR PREPARING POLYETHER POLYOLS
    Publication number: 20130274526
    Abstract: The present invention relates to a process for preparing polyetherols by catalytic ring-opening polymerization, wherein at least one nitrogen-containing cyclic precatalyst compound is used.
    Type: Application
    Filed: March 26, 2013
    Publication date: October 17, 2013
    Inventors: Kerstin WISS, Sirus Zarbakhsh, Achim Loeffler, Peter Deglmann, Michael Limbach, Ronald Lindner, Severine Lavy, Michael Ludwik Lejkowski