Patents by Inventor Udo Wieschnowsky

Udo Wieschnowsky 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).

  • CARBON BLACK
    Publication number: 20090035210
    Abstract: Carbon black with an OAN, measured on the beaded carbon black, of less than 120 ml/100 g. A process for the preparation of the carbon black is described, wherein a salt solution is converted into an aerosol and this is then introduced into the carbon black formation zone. The carbon black can be used in inks, paints, lacquers, printing inks and ink-jet inks, and for coloring plastics.
    Type: Application
    Filed: October 15, 2008
    Publication date: February 5, 2009
    Inventors: Kai Krauss, Alfons Karl, Burkhard Freund, Udo Wieschnowsky, Helmut Mangold, Kai Schumacher, Rainer Golchert, Helmut Roth
  • Carbon black
    Publication number: 20050100502
    Abstract: Carbon black with an OAN, measured on the beaded carbon black, of less than 120 ml/100 g. A process for the preparation of the carbon black is described, wherein a salt solution is converted into an aerosol and this is then introduced into the carbon black formation zone. The carbon black can be used in inks, paints, lacquers, printing inks and ink-jet inks, and for coloring plastics.
    Type: Application
    Filed: October 28, 2004
    Publication date: May 12, 2005
    Inventors: Kai Krauss, Alfons Karl, Burkhard Freund, Udo Wieschnowsky, Helmut Mangold, Kai Schumacher, Rainer Golchert, Helmut Roth
  • Carbon black pellets and a process for the production thereof
    Patent number: 6132876
    Abstract: Carbon black pellets which can be produced by the addition of wax during dry granulation of carbon black powder. The carbon black pellets are distinguished by a pellet hardness of at least 0.15 N with a wax content of less than 10 wt. %, based on the total weight of the carbon black pellets.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: October 17, 2000
    Assignee: Degussa Aktiengesellscaft
    Inventors: Conny Vogler, Karl Vogel, Udo Wieschnowsky, Jan Kopietz