Patents Assigned to Evonik Deguesse GmbH
  • Use of polyglycerol partial esters as defoamers
    Patent number: 9738797
    Abstract: The present invention relates to the use of polyglycerol partial esters as defoamers, in particular in coating and paint applications, to defoamers comprising polyglycerol partial esters, and to corresponding polyglycerol partial esters.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: August 22, 2017
    Assignee: Evonik Deguesse GmbH
    Inventors: Margitta Nilewski, Philippe Favresse, André Scharf, Petra Gehrmann, Thomas Mettin, Michael Schwan, Oliver Springer, Tobias Wied