Patents by Inventor Qingwen Yuan-Huffman

Qingwen Yuan-Huffman 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).

  • Activatable compositions
    Publication number: 20070014985
    Abstract: Polymer dispersion forms a non-tacky film when dry. Under the application of a suitable impulse the morphology of the film is disrupted and the film becomes tacky. The compositions of the invention find use as thermally activated films and coatings, especially pressure sensitive adhesives.
    Type: Application
    Filed: July 14, 2005
    Publication date: January 18, 2007
    Inventors: Qingwen Yuan-Huffman, Yadunandan Dar, Allison Xiao, Smita Shah, Dongyun Huang, Michael Eknoian