Patents by Inventor Karin Robrahn

Karin Robrahn 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 special compounds as smoothing agents in combing oils
    Patent number: 5464660
    Abstract: Special compounds, having solidification points above 25.degree. C., selected from the group of dialkylethers and/or carboxylic acid esters are used as smooth agents for the production of wool combed slivers.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: November 7, 1995
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Wolfgang Becker, Raymond Mathis, Syliva Stapper-Druyen, Karin Robrahn, Rainer Hoffmann, Yasar C. Kiray
  • Fatty acid methyl esters in lubricants for card spinning
    Patent number: 5439709
    Abstract: The invention relates to the use of C.sub.8-22 fatty acid methyl esters in lubricants for card spinning, to a process for lubricating textile fibers for the production of carded yarns and to lubricants containing C.sub.8-22 fatty acid methyl esters and (meth)acrylates having limiting viscosities below 400 ml .multidot.g.sup.-1, as measured in tetrahydrofuran at 20.degree. C.
    Type: Grant
    Filed: January 26, 1994
    Date of Patent: August 8, 1995
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Wolfgang Becker, Raymond Mathis, Ulrich Eicken, Karin Robrahn, Silvia Stapper-Druyen