Patents by Inventor Franz Csellich

Franz Csellich 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).

  • Organopolysiloxane/polyurea/polyurethane block copolymers
    Publication number: 20060036055
    Abstract: Organopolysiloxane/polyurea/polyurethane block copolymers of general formula (1) B—{[NR4—CR2—SiR2—(O—SiR2)n—CR22—NR4—CO—NH—Y—NH—CO]a-[Z-D-Z-CO—NH—Y—NH—CO]b—[NR4—CR22—SiR2—(O—SiR2)n—CR22—NR4—CO—NH—Y—NH—CO—NH—Y—NH—CO]e}d—B, are obtained by reacting aminomethyl terminal polydimethyl siloxanes with diisocyanates and optional chain extenders, have low softening temperatures and reduced color.
    Type: Application
    Filed: September 26, 2005
    Publication date: February 16, 2006
    Applicant: Consortium fur elektrochemische Industrie GmbH
    Inventors: Oliver Schafer, Franz Csellich, Sabine Delica, Andrea Kneissl
  • Pigments whose color depends on the viewing angle, their preparation and use
    Patent number: 5362315
    Abstract: The invention relates to pigments whose color depends on the viewing angle, their preparation and use.These pigments comprise oriented three-dimensionally crosslinked substances of liquid-crystalline structure having a chiral phase and, if desired, further dyes and pigments, the further dyes and pigments if present not serving as base for the oriented three-dimensionally crosslinked liquid-crystalline substances having a chiral phase.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: November 8, 1994
    Assignee: Consortium fur elektrochemische Industrie GmbH
    Inventors: Christoph Muller-Rees, Robert Maurer, Jurgen Stohrer, Franz-Heinrich Kreuzer, Silvia Jung, Franz Csellich