Patents by Inventor LeAnne V. HAZARD

LeAnne V. HAZARD 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).

  • POLYMER WASTE PROCESSING TO YIELD LIQUID PRODUCTS
    Publication number: 20230211393
    Abstract: In one embodiment, a method for processing polymeric waste materials into one or more products included: pyrolyzing a solid polymeric waste material, wherein the pyrolyzing includes: heating the solid polymeric waste material in the absence of oxygen to a temperature of 725° F. to 850° F. for a duration of 15 to 90 minutes; and thermochemically converting, in response to the heating step, at least some of the solid polymeric waste material into a first liquid product; separating the first liquid product from residual solids; separating a vapor stream from the vessel; and condensing at least a portion of the vapor stream into a second liquid product.
    Type: Application
    Filed: January 5, 2023
    Publication date: July 6, 2023
    Applicant: Western Research Institute
    Inventors: LeAnne V. HAZARD, Justin L. MARTIN, Frank D. GUFFEY