Patents by Inventor Sarah Grace Zetterholm

Sarah Grace Zetterholm 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).

  • Chitosan Graphene Composite for the Treatment of Harmful Algal Blooms and Toxins
    Publication number: 20240101785
    Abstract: A chitosan-graphene (CSG) composite material and methods of making the composite material are provided. The CSG composite material is useful for removing microorganisms such as cyanobacteria and blue-green algae from water contaminated with a harmful algal bloom (HAB). The CSG composite material can also remove algal toxins such as microcystins from HAB contaminated water.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 28, 2024
    Inventors: Luke A Gurtowski, Christopher S Griggs, Sarah Grace Zetterholm, Jose A Mattei-Sosa