Patents by Inventor Jeffrey P. Greeley

Jeffrey P. Greeley 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).

  • Catalyst
    Patent number: 11955645
    Abstract: Catalysts comprising a Ta layer having an outer layer with a layer comprising Pt directly thereon, wherein the Ta layer has an average thickness in a range from 0.04 to 30 nanometers, wherein the layer comprising Pt has an average thickness in a range from 0.04 to 50 nanometers, and wherein the Pt and Ta are present in an atomic ratio in a range from 0.01:1 to 10:1. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: April 9, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: Andrew J. L. Steinbach, Andrew T. Haug, Krzysztof A. Lewinski, Amy E. Hester, Grant M. Thoma, Cedric Bedoya, Zhenhua Zeng, Jeffrey P. Greeley
  • CATALYST
    Publication number: 20210075026
    Abstract: Catalysts comprising a Ta layer having an outer layer with a layer comprising Pt directly thereon, wherein the Ta layer has an average thickness in a range from 0.04 to 30 nanometers, wherein the layer comprising Pt has an average thickness in a range from 0.04 to 50 nanometers, and wherein the Pt and Ta are present in an atomic ratio in a range from 0.01:1 to 10:1. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies.
    Type: Application
    Filed: April 11, 2019
    Publication date: March 11, 2021
    Inventors: Andrew J. L. Steinbach, Andrew T. Haug, Krzysztof A. Lewinski, Amy E. Hester, Grant M. Thoma, Cedric Bedoya, Zhenhua Zeng, Jeffrey P. Greeley