Patents by Inventor Franz Suetsch

Franz Suetsch 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).

  • Publication number: 20080314764
    Abstract: The present invention relates to a process for electrochemical decolorization of indigo-containing aqueous dispersions by direct anodic oxidation on diamond-coated silicon anodes.
    Type: Application
    Filed: February 7, 2006
    Publication date: December 25, 2008
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Wolfgang Schrott, Franz Suetsch, Thomas Bechtold, Aurora Turcanu
  • Patent number: 5586992
    Abstract: A process for dyeing celluose-containing textile material with indigo comprises using an aqueous solution of leuco indigo prepared by catalytic hydrogenation and, after the leuco indigo has gone onto the textile material, converting it back into the pigment form in a conventional manner by air oxidation.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: December 24, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Schnitzer, Franz Suetsch, Michael Schmitt, Erich Kromm, Harald Schlueter, Rudolf Krueger, Andreas Weiper-Idelmann
  • Patent number: 4333190
    Abstract: A process for desizing a fabric web comprising the steps of: first wetting the dry size-loaded fabric with the desizing liquor separated from a previous batch of fabric after desizing, so that the fabric, and the size adhering thereto, take up water from the desizing liquor by swelling and/or solvation, thereby increasing the concentration of the desizing liquor; separating the concentrated desizing liquor from the fabric; recycling the concentrated desizing liquor to a sizing operation; desizing the wetted fabric by a continuous fresh water wash; separating the desized fabric from the resulting desizing liquor; and recycling the desizing liquor to the first wetting step.
    Type: Grant
    Filed: September 11, 1980
    Date of Patent: June 8, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Wilhelm Ruettiger, Franz Suetsch, Albrecht Wuerz