Patents by Inventor Nanayakkara Somasiri

Nanayakkara Somasiri 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).

  • STABILIZING COMPONENT FOR POLYAMIDE RESIN COMPOSITION
    Publication number: 20230092193
    Abstract: Polyamide resin that comprise one or more polyamides and a stabilizer component containing an copper complex and a copper salt is disclosed for improving the heat age performance for an article. The combination of a copper complex and a copper salt retains the mechanical properties of the article.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 23, 2023
    Applicant: Ascend Performance Materials Operations LLC
    Inventors: Bradley J. Sparks, Nanayakkara Somasiri
  • Microfluidic device having hydrophilic microchannels
    Publication number: 20070139451
    Abstract: A microfluidic device comprising a multi-layer film having a conductive layer and a polymeric layer disposed adjacent the conductive layer, a microchannel extending through the multi-layer film, where the microchannel has a perimeter surface, and a hydrophilic layer disposed on the perimeter surface of the microchannel. The hydrophilic layer comprises at least about 20% by weight silicon and at least about 40% by weight oxygen.
    Type: Application
    Filed: December 20, 2005
    Publication date: June 21, 2007
    Inventors: Nanayakkara Somasiri, Moses David
  • Etchant rinse method
    Publication number: 20060266731
    Abstract: Method of removing iodine from a polymer using a thiosulfate solution.
    Type: Application
    Filed: May 31, 2005
    Publication date: November 30, 2006
    Inventors: Steven Yu, Pei-San Tseng, Nanayakkara Somasiri