Patents by Inventor Lutz Georgias

Lutz Georgias 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).

  • Process for improving the flowability of dimerized 2,4-tolylenediisocyanate
    Patent number: 5100998
    Abstract: The invention relates to a process for improving the flowability and preventing the agglomeration of finely divided dimerized 2,4-toluene diisocyanate in which a precipitated silicas and/or pyrogenic silica having a hydrophobic surface is added to the finely divided dimerized 2,4-toluene diisocyanate. The invention also relates to the finely divided dimerized 2,4-toluene diisocyanate prepared by this process.
    Type: Grant
    Filed: January 8, 1991
    Date of Patent: March 31, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Richard Kopp, Gerhard Grogler, Heinrich Hess, Lutz Georgias, Helmut Hurnik, Hans D. Thomas
  • Apparatus for false-twisting synthetic filament yarns
    Patent number: 4009563
    Abstract: This invention relates to an apparatus for false twisting synthetic filament yarns, which apparatus is in the form of an air rotated nozzle having tangential inlet bores and two central outlet bores. The twisting chamber is set at an angle of 2.degree. to 40.degree. to the draw-off direction of the filament. The special advantage of this apparatus according to the invention is that it ensures smooth movement of the filament outside the twisting chamber.
    Type: Grant
    Filed: October 30, 1974
    Date of Patent: March 1, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans Lenz, Edgar Muschelknautz, Heiko Herold, Kurt Bernklau, Lutz Georgias