Patents by Inventor Albert Lowenstein

Albert Lowenstein 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).

  • Spinning preparations for melt spinning synthetic fibers
    Patent number: 4654153
    Abstract: A spinning preparation, for the melt spinning of synthetic fibers, containing a smoothing agent, an emulsifier, a wetting agent, an antistatic agent, and an epoxidized compound containing at least 8 carbon atoms to produce a cohesion promoting effect on the fibers.
    Type: Grant
    Filed: December 13, 1984
    Date of Patent: March 31, 1987
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Albert Lowenstein, Heidi Fiedler