Patents by Inventor Margitta Nilewski

Margitta Nilewski 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).

  • 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
  • USE OF POLYGLYCEROL PARTIAL ESTERS AS DEFOAMERS
    Publication number: 20130281552
    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: Application
    Filed: April 19, 2013
    Publication date: October 24, 2013
    Applicant: Evonik Industries AG
    Inventors: Margitta Nilewski, Philippe Favresse, André Scharf, Petra Gehrmann, Thomas Mettin, Michael Schwan, Oliver Springer, Tobias Wied