Patents by Inventor Samuel E. OWINGS

Samuel E. OWINGS 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).

  • Hydrolytically stable polymer compositions, articles, and methods
    Patent number: 10472493
    Abstract: A composition, article, and method for increasing the hydrolytic stability of a polymer; wherein a composition includes: a polymer comprising functional groups having hydrolyzable bonds; a carbodiimide compound; and a weak base (or hindered amine); wherein the carbodiimide compound and weak base (or hindered amine) are used in amounts effective to decrease the rate and/or extent of hydrolytic degradation of the polymer relative to either used alone in the same amount with the polymer.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: November 12, 2019
    Assignee: Medtronic, Inc.
    Inventors: Patricia E. Dunn, Ronald A. Drake, Xiangji Chen, Samuel E. Owings
  • HYDROLYTICALLY STABLE POLYMER COMPOSITIONS, ARTICLES, AND METHODS
    Publication number: 20170313853
    Abstract: A composition, article, and method for increasing the hydrolytic stability of a polymer; wherein a composition includes: a polymer comprising functional groups having hydrolyzable bonds; a carbodiimide compound; and a weak base (or hindered amine); wherein the carbodiimide compound and weak base (or hindered amine) are used in amounts effective to decrease the rate and/or extent of hydrolyic degradation of the polymer relative to either used alone in the same amount with the polymer.
    Type: Application
    Filed: April 26, 2017
    Publication date: November 2, 2017
    Inventors: Patricia E. DUNN, Ronald A. DRAKE, Xiangji CHEN, Samuel E. OWINGS