Patents by Inventor Leopold Franciscus Wynandus Vleugels

Leopold Franciscus Wynandus Vleugels 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).

  • Melamine cyanurate in crystalline form
    Patent number: 8765864
    Abstract: The present invention relates to a novel process for preparing solid, small particles comprising melamine cyanurate in essentially crystalline form. A concentrated aqueous dispersion is prepared of a mixture of cyanuric acid and melamine and selected surfactants are added to the dispersion.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: July 1, 2014
    Assignee: BASF SE
    Inventors: Renier Henricus Maria Kierkels, Philippe Wolfgang Paul Valere Bleiman, Leopold Franciscus Wynandus Vleugels
  • Melamine Cyanurate in Crystalline Form
    Publication number: 20080312360
    Abstract: The present invention relates to a novel process for preparing solid, small particles comprising melamine cyanurate in essentially crystalline form. A concentrated aqueous dispersion is prepared of a mixture of cyanuric acid and melamine and selected surfactants are added to the dispersion.
    Type: Application
    Filed: October 6, 2005
    Publication date: December 18, 2008
    Inventors: Renier Henricus Maria Kierkels, Philippe Wolfgang Paul Valere Bleiman, Leopold Franciscus Wynandus Vleugels