Patents by Inventor Wolfgang Schlerka

Wolfgang Schlerka 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).

  • Novel quinoneimine sulfur dye compositions, production thereof and use for dyeing cellulosic material
    Publication number: 20060288500
    Abstract: Novel leuco sulfur dye compositions obtainable at current densities between 50 mA/cm2 and 500 mA/cm2 and a flow velocity in the range from 0.1 m/s to 2 m/s and preferably in the range from 0.1 to 0.4 m/s, their production and their use for dyeing cellulosic material.
    Type: Application
    Filed: August 11, 2005
    Publication date: December 28, 2006
    Applicant: DyStar Textilfarben GmbH & Co.
    Inventors: Thomas Bechtold, Heiko Brunner, Joachim Grutze, Richard Richter, Wolfgang Schlerka