Patents by Inventor Kerstin Kugel

Kerstin Kugel 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).

  • Patent number: 8362095
    Abstract: The invention relates to the defoaming of ionic liquids and also to compositions comprising at least one ionic liquid and at least one antifoam and, if appropriate, a solvent and/or further auxiliaries or additives.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: January 29, 2013
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Peter Schwab, Christian Mund, Kerstin Kugel, Hans-Juergen Koehle, Rene Haensel
  • Publication number: 20100084597
    Abstract: The invention relates to the defoaming of ionic liquids and also to compositions comprising at least one ionic liquid and at least one antifoam and, if appropriate, a solvent and/or further auxiliaries or additives.
    Type: Application
    Filed: February 3, 2009
    Publication date: April 8, 2010
    Inventors: Peter Schwab, Christian Mund, Kerstin Kugel, Hans-Juergen Koehle, Rene Haensel
  • Patent number: 5613988
    Abstract: A method of defoaming diesel fuel by adding an organofunctionally modified polysiloxane of the general Formula I ##STR1## wherein R.sup.1 are alkyl groups with 1 to 4 carbon atoms or aryl groups with the proviso that at least 80% of the R.sup.1 groups are methyl groups,R.sup.2 are the same or different in the molecule30 to 90% of R.sup.2 having the same meaning as R.sup.1, and70 to 10% of R.sup.2 consisting of a mixture of R.sup.2A and R.sup.2B groups which differ in polarity,is described. The inventive polysiloxane is added in an amount of 0.5 to 50 ppm, based on the diesel fuel.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: March 25, 1997
    Assignee: Th. Goldschmidt AG.
    Inventors: Roland Spiegler, Michael Keup, Kerstin Kugel, Peter Lersch, Stefan Silber