Patents by Inventor Portia Yarborough

Portia Yarborough 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).

  • Articles comprising aqueous dispersions of polyureaurethanes
    Publication number: 20050033003
    Abstract: Stable aqueous poly(urea/urethane) polymers and dispersions are made that do not require the inclusion of chain extenders, curing agents or crosslinking agents. The disclosed poly(urea/urethane) dispersions can be used to make articles such as films and gloves with reduced chance of chemical and biological allergic reaction to skin, and which exhibit improved puncture and tear resistance when compared to such articles made with other materials.
    Type: Application
    Filed: November 4, 2003
    Publication date: February 10, 2005
    Inventors: Young Kim, Michael O'Neill, Jiazhong Chen, Portia Yarborough