Patents by Inventor Hans-Peter Feldner

Hans-Peter Feldner 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).

  • Tribological aromatic polyimide compositions
    Publication number: 20150126663
    Abstract: A resin composition [composition (C)] comprising: from 40 to 95% by volume (% v) of at least one aromatic polyimide [polymer (PI)], from 0.1 to 15% by volume (% v) of at least one compound having the general formula AnXm [compound (AnXm)], wherein each A is independently selected from a group consisting of a metal atom (M) which is selected from the group consisting of Fe, Co, Ni, Cu, Zn, Mo, Ag, Cd, Sn, Pt, Au, Hg, Pb and Tl and a semimetal atom (SM) which is selected from the group consisting of As, Sb and Bi; wherein each X is independently selected from a group consisting of As, Sb, S, Se and Te; with the proviso that when A is As or Sb then X is different from A; and wherein n and m equal or different from each other, are independently 1, 2, 3 and 4, from 0.
    Type: Application
    Filed: May 16, 2013
    Publication date: May 7, 2015
    Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC.
    Inventors: Thomas Burkhart, Rolf Walter, Hans-Peter Feldner, Yuhong Wu, Geoffrey Scott Underwood, Brian A. Stern