Patents by Inventor Sylvia Kroes

Sylvia Kroes 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).

  • Dispersing resins for pigment preparations having a low volatile organic content
    Patent number: 9751971
    Abstract: A dispersing resin for conventional solventborne pigment preparations having a low to very low proportion of volatile organic substances is provided. Further provided are solventborne coating materials containing the dispersing resin. Uses include paints, varnishes, adhesives, inks or printing inks, and compositions for coloring of plastics. The pigment preparations produced with these resins are free of yellowing, stable to weathering, of low viscosity and intensely colored.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: September 5, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Thomas Veit, Michael Ewald, Daniel Engelke, Bettina Burian, Heiko Alzer, Jan Schwarze, Ellen Reuter, Frank Kleinsteinberg, Katrin Roland, Sandra Roediger, Erika Retzlaff, Sylvia Kroes
  • DISPERSING RESINS FOR PIGMENT PREPARATIONS HAVING A LOW VOLATILE ORGANIC CONTENT
    Publication number: 20150240020
    Abstract: A dispersing resin for conventional solventborne pigment preparations having a low to very low proportion of volatile organic substances is provided. Further provided are solventborne coating materials containing the dispersing resin. Uses include paints, varnishes, adhesives, inks or printing inks, and compositions for colouring of plastics. The pigment preparations produced with these resins are free of yellowing, stable to weathering, of low viscosity and intensely coloured.
    Type: Application
    Filed: February 23, 2015
    Publication date: August 27, 2015
    Applicant: Evonik Industries AG
    Inventors: Thomas VEIT, Michael Ewald, Daniel Engelke, Bettina Burian, Heiko Alzer, Jan Schwarze, Ellen Reuter, Frank Kleinsteinberg, Katrin Roland, Sandra Roediger, Erika Retzlaff, Sylvia Kroes