Patents by Inventor Sun YIPENG

Sun YIPENG 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).

  • Emission control catalyst article with PGM-gradient architecture
    Patent number: 12576395
    Abstract: The presently invention provides an emission control catalyst article comprising a substrate, a bottom washcoat layer comprising a platinum group metal coated on the 60 to 100% length of the substrate, and a top washcoat layer comprising a platinum group metal coated on the 60 to 100% length of the substrate such that the top coat covers at least 60% of the length of the bottom washcoat layer, wherein at least a portion of the top washcoat layer, the bottom washcoat layer or both washcoat layers comprises a platinum group metal deposited within the said washcoat layer(s) with a platinum group metal gradient such that the PGM concentration in a top-most portion of the said washcoat layer is at least two time higher compared to the PGM concentration in a bottom-most portion of the said washcoat layer.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: March 17, 2026
    Assignee: BASF Mobile Emissions Catalysts LLC
    Inventors: Vjunov Aleksei, Sun Yipeng
  • AN EMISSION CONTROL CATALYST ARTICLE WITH PGM-GRADIENT ARCHITECTURE
    Publication number: 20230147850
    Abstract: The presently invention provides an emission control catalyst article comprising a substrate, a bottom washcoat layer comprising a platinum group metal coated on the 60 to 100% length of the substrate, and a top washcoat layer comprising a platinum group metal coated on the 60 to 100% length of the substrate such that the top coat covers at least 60% of the length of the bottom washcoat layer, wherein at least a portion of the top washcoat layer, the bottom washcoat layer or both washcoat layers comprises a platinum group metal deposited within the said washcoat layer(s) with a platinum group metal gradient such that the PGM concentration in a top-most portion of the said washcoat layer is at least two time higher compared to the PGM concentration in a bottom-most portion of the said washcoat layer.
    Type: Application
    Filed: April 15, 2021
    Publication date: May 11, 2023
    Inventors: Vjunov ALEKSEI, Sun YIPENG