Patents by Inventor Kristina Margarit-Puri

Kristina Margarit-Puri 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).

  • STABLE TEMPERATURE PLASMA TREATED FORMATION, AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20100035119
    Abstract: The invention relates to fabrics, comprising fibers and a coating that is covalently bound on the surface of the fibers, characterized in that the fabrics are temperature-stable at 200° C. The invention further relates to methods for the production thereof, fuel cells and gas diffusion layers comprising the fabrics, and to the use thereof in fuel cells and gas diffusion layers.
    Type: Application
    Filed: November 21, 2007
    Publication date: February 11, 2010
    Applicant: CARL FREUDENBERG KG
    Inventors: Klaus-Dietmar Wagner, Gunter Scharfenberger, Birgit Severich, Kristina Margarit-Puri
  • Functionalized nonwovens, method for production and use thereof
    Publication number: 20060093820
    Abstract: Functionalized nonwovens having a negative zeta potential in the pH range from 1 to 13 include fibers having a surface layer or surface regions applied by plasma treatment having anionic groups covalently bonded to the fiber surface and/or having precursors convertible into anionic groups and/or having polyether groups and/or polyol groups. The nonwovens may be used as filter materials or separation materials.
    Type: Application
    Filed: July 11, 2005
    Publication date: May 4, 2006
    Applicant: Carl Freudenberg KG
    Inventors: Kristina Margarit-Puri, Birgit Severich, Gerhard Schoepping, Klaus Rodemann