Patents by Inventor Martin KREUTER

Martin KREUTER 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).

  • Aqueous polyurethaneurea dispersion containing free acid groups
    Patent number: 10087294
    Abstract: The present invention relates to an aqueous polyurethaneurea dispersion, wherein the polyurethaneurea has specific formation components, and which is characterized in that it has a content of —COOH groups of at least 0.75% by weight, where 0% to 35% of these groups have been neutralized, and in that 5 to 50 mol % of isocyanate groups present have been reacted with a monofunctional component. The invention further relates to the use of this dispersion as coating composition, to a fiber having a cured coating and to a composite material.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: October 2, 2018
    Assignee: Covestro Deutschland AG
    Inventors: Hans G. Grablowitz, Thomas Feller, Martin Kreuter, Petra Janßen, Ingo Gipperich
  • AQUEOUS POLYURETHANEUREA DISPERSION CONTAINING FREE ACID GROUPS
    Publication number: 20160257795
    Abstract: The present invention relates to an aqueous polyarethaneurea dispersion, wherein the polyurethaneurea has specific formation components, and which is characterized in that it has a content of —COOH groups of at least 0.75% by weight, where 0% to 35% of these groups have been neutralized, and in that 5 to 50 mol % of isocyanate groups present have been reacted with a monofunctional component. The invention further relates to the use of this dispersion as coating composition, to a fibre having a cured coating and to a composite material.
    Type: Application
    Filed: March 2, 2016
    Publication date: September 8, 2016
    Inventors: Hans G. GRABLOWITZ, Thomas FELLER, Martin KREUTER, Petra JANßEN, Ingo GIPPERICH