Patents by Inventor Samuel E. Root

Samuel E. Root 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).

  • Patent number: 12709089
    Abstract: In certain examples, methods and devices, such as a soft electronics device, involve or include a first layer and a second layer from among the plurality of immiscible polymer layers, with the first and second layers integrated with one another to form a multilayered self-healing laminate, characterized in that polymer material in the first layer and polymer material in the second layer are cooperatively capable of autonomously recovering from at least one of the first layer and second layer being misaligned.
    Type: Grant
    Filed: January 19, 2024
    Date of Patent: August 18, 2026
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Christopher B. Cooper, Zhenan Bao, Samuel E. Root
  • Publication number: 20240391775
    Abstract: A polyphosphate material is disclosed. The polyphosphate material can include a plurality of polyphosphate chains. The polyphosphate chains can have a backbone that include oxygen-phosphate bonds. Two or more cations can be included. Further, the polyphosphate material can be amorphous. The two or more cations can be monovalent cations, divalent cations, trivalent cations, tetravalent cations, and combinations thereof. The two or more cations can be lithium, sodium, potassium, rubidium, cesium, francium, ammonium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, titanium, iron (Fe2+), chromium (Cr2+), manganese (Mn2+), cobalt (Co2+), nickel (Ni2+), copper (Cu2+), cadmium, tin (Sn2+), mercury (Hg2+), lead (Pb2+), aluminum, boron, gallium, iron (Fe+3), chromium (Cr+3), cobalt (Co+3), gold (Au+3), antimony (Sb+3), nickel (Ni+3), bismuth (Bi+3), manganese (Mn+3) zirconium, silicon, and combinations of thereof. The two or more cations can be monovalent cations.
    Type: Application
    Filed: September 23, 2022
    Publication date: November 28, 2024
    Inventors: JUNJI SAKAMOTO, Alexei TEN, Mohamad KODAIMATI, Haihui Joy JIANG, Amit Arun NAGARKAR, Samuel E. ROOT, George M. WHITESIDES
  • Publication number: 20240246327
    Abstract: In certain examples, methods and devices, such as a soft electronics device, involve or include a first layer and a second layer from among the plurality of immiscible polymer layers, with the first and second layers integrated with one another to form a multilayered self-healing laminate, characterized in that polymer material in the first layer and polymer material in the second layer are cooperatively capable of autonomously recovering from at least one of the first layer and second layer being misaligned.
    Type: Application
    Filed: January 19, 2024
    Publication date: July 25, 2024
    Inventors: Christopher B. Cooper, Zhenan Bao, Samuel E. Root