Patents by Inventor Dongling Fei

Dongling Fei 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).

  • Polymer/Clay Nanocomposite Films with Improved Light Fastness Properties and Process for Producing Same
    Publication number: 20090064425
    Abstract: A colored polymeric material having improved light fastness is generally provided. The colored polymeric material generally comprises a polymer, a colorant, and natural nanoparticles. The colorant can be a dye, such as an acid dye. In one embodiment, the dye can be susceptible to degradation when exposed to light in the presence of oxygen, such as many azo dyes. The natural nanoparticles can include many natural clays.
    Type: Application
    Filed: April 10, 2006
    Publication date: March 12, 2009
    Applicant: UNIVERSITY OF SOUTH CAROLINA
    Inventors: Walter Scrivens, Dongling Fei