Patents by Inventor Keqin Cao

Keqin Cao 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).

  • Synthesis and use of aramid nanofibers
    Patent number: 10160833
    Abstract: Dissociation of a macroscale version of an aramid fiber leads to the nanofiber form of this polymer. Indefinitely stable dispersions of uniform high-aspect-ratio aramid nanofibers (ANFs) with diameters between 3 and 30 nm controlled by the media composition and up to 10 ?m in length are obtained. ANFs can be processed in transparent thin films using layer-by-layer assembly (LBL) with superior mechanical performance.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: December 25, 2018
    Assignee: The Regents of the University of Michigan
    Inventors: Nicholas A. Kotov, Ming Yang, Keqin Cao, Michael D. Thouless, Ellen M. Arruda, Anthony M. Waas, Carlos A. Pons Siepermann, Ryan M. Anderson
  • SYNTHESIS AND USE OF ARAMID NANOFIBERS
    Publication number: 20130288050
    Abstract: Dissociation of a macroscale version of an aramid fiber leads to the nanofiber form of this polymer. Indefinitely stable dispersions of uniform high-aspect-ratio aramid nanofibers (ANFs) with diameters between 3 and 30 nm controlled by the media composition and up to 10 ?m in length are obtained. ANFs can be processed in transparent thin films using layer-by-layer assembly (LBL) with superior mechanical performance.
    Type: Application
    Filed: April 26, 2013
    Publication date: October 31, 2013
    Inventors: Ellen M. Arruda, Keqin Cao, Carlos A. Pons Siepermann, Michael D. Thouless, Ryan M. Anderson, Nicholas A. Kotov, Ming Yang, Anthony M. Waas