Patents by Inventor Alexander M. STAHL

Alexander M. STAHL 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).

  • POLY(GLYCEROL SEBACATE) URETHANE ELASTOMERIC LEAFLET FOR HEART VALVE REPLACEMENT
    Publication number: 20220211904
    Abstract: A leaflet for a heart valve replacement includes poly(glycerol sebacate) urethane. A heart valve replacement includes a leaflet including poly(glycerol sebacate) urethane. A process forms a leaflet for a heart valve replacement. The process includes casting a first solution including poly(glycerol sebacate) and isocyanate to form a leaflet composition including poly(glycerol sebacate) urethane. The process also includes shaping the leaflet composition to form the leaflet.
    Type: Application
    Filed: January 4, 2022
    Publication date: July 7, 2022
    Inventors: Stephanie REED, Peter D. GABRIELE, Andrew METZGER, Amanda K. WEBER, Alexander M. STAHL
  • SHAPE-GUIDED CONTROLLED RELEASE AND RETENTION WITH STRUCTURES INCLUDING CROSSLINKED POLY(GLYCEROL SEBACATE)
    Publication number: 20220031624
    Abstract: A delivery system is described that includes a controlled release device that includes a crosslinked poly(glycerol sebacate) (PGS) or other glycerol ester and a controlled release compound, the controlled release device being provided in a contracted state and being expandable to a three-dimensional expanded state in a target location. The delivery systems provides an expandible, flexible biodegradable elastomer loaded with an active ingredient to allow for extended release for different dosage forms for either human or animal health products in vivo, delivered through the gastrointestinal tract.
    Type: Application
    Filed: July 1, 2021
    Publication date: February 3, 2022
    Inventors: Stephanie REED, Alexander M. STAHL, Manasi Chawathe BAKER, Peter D. GABRIELE, Amanda K. WEBER