Patents by Inventor Ralf Frenzel

Ralf Frenzel 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: 8202620
    Abstract: The invention refers to the fields of chemistry and mechanical engineering, relates to a permanent coating, which have a functionalization of the surfaces for the avoidance or reduction of ice growth on this surface. The object of the present solution is to disclose a permanent coating that is durable and reliably inhibits and/or prevents an icing of the surface. The object is attained through a permanent coating of surfaces for inhibiting and/or preventing icing down to ambient temperatures of ?10° C., in which the coating comprises polymers with main chains and side chains, wherein the polymer main chains are hydrophobic and the side chains are hydrophilic and the polymer main chains have entered into a chemical and/or chemically-coordinative and/or physical interaction with the surface to be coated and the side chains are arranged on the polymer main chain essentially in the direction away from the surface and at least do not permanently interact with one another.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: June 19, 2012
    Assignee: Leibniz-Institut fuer Polymerforschung Dresiden E.V.
    Inventors: Frank Simon, Manfred Stamm, Katja Kretschmer, Petra Uhlmann, Ralf Frenzel
  • Publication number: 20100086789
    Abstract: The invention refers to the fields of chemistry and mechanical engineering, relates to a permanent coating, which have a functionalization of the surfaces for the avoidance or reduction of ice growth on this surface. The object of the present solution is to disclose a permanent coating that is durable and reliably inhibits and/or prevents an icing of the surface. The object is attained through a permanent coating of surfaces for inhibiting and/or preventing icing down to ambient temperatures of ?10° C., in which the coating comprises polymers with main chains and side chains, wherein the polymer main chains are hydrophobic and the side chains are hydrophilic and the polymer main chains have entered into a chemical and/or chemically-coordinative and/or physical interaction with the surface to be coated and the side chains are arranged on the polymer main chain essentially in the direction away from the surface and at least do not permanently interact with one another.
    Type: Application
    Filed: December 12, 2007
    Publication date: April 8, 2010
    Applicant: Leibniz-Institute Fuer Polymerforschung Dresdene E.V
    Inventors: Frank Simon, Manfred Stamm, Katja Kretschmer, Petra Uhlmann, Ralf Frenzel