Patents Examined by Kuo-Laing Peng
  • Nanoparticulate wax dispersions, process for preparing them and method of hydrophobicizing materials using them
    Patent number: 8652633
    Abstract: The invention provides nanoparticulate wax dispersions comprising wax solids having a solidification point of greater than 40 to 150° C., a process for preparing them, and a method of hydrophobicizing materials produced using fibers, chips or strands comprising or consisting of lignocelluloses and/or celluloses, by contacting them with the wax dispersions.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: February 18, 2014
    Assignee: Sasol Wax GmbH
    Inventors: Thomas Buchholz, Hans Jörg Scheidat