Patents by Inventor Andrew V. Stephens

Andrew V. Stephens 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).

  • Publication number: 20200157328
    Abstract: A fiber or nonwoven and methods for making and using same are provided herein. The fiber or nonwoven can contain at least one primary polypropylene, at least one polyalphaolefin, and at least one propylene-based elastomer. The propylene-based elastomer can have a heat of fusion less than about 80 J/g. The propylene-based elastomer can also include greater than 50 wt % propylene and from about 3 to about 25 wt % units derived from one or more C2 or C4-C12 ?-olefins, based on a total weight of the propylene-based elastomer.
    Type: Application
    Filed: October 29, 2019
    Publication date: May 21, 2020
    Inventors: Paul E. Rollin, JR., John W. M. Roberts, Jessica L. Prince, Syamal Tallury, Narayanaswami Dharmarajan, Andrew V. Stephens, Louis K. Apraku-Boadi