Chemical and Biomolecular Engineering

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  • Inventor(s):
    Paul J. McGinn, Hongmei An
    Patent Number:
    US 8356475 B2
    Description:

    Described is a method of slowly releasing a catalyst for, inter alia, the purpose of soot oxidation in a particulate filter. An example method includes incorporating an alkali metal oxide in a glass. Slow leaching of the alkali from the glass provides a means to gradually deliver the catalyst over extended periods. Additionally, the example method includes increasing the amount of alkaline metal ions that may be leached from the glass.

    Date Issued:
    2013-01-22
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Paul J. McGinn, Changsheng Su
    Patent Number:
    US 9592490 B2
    Description:

    A simplified method of manufacturing a catalyst for soot combustion includes the synthesis of a catalyst composition. A substrate is prepared for receipt of the composition and a sol solution is created utilizing the composition synthesized. Finally, a catalytic coating is applied to the substrate, through use of the sol solution. The catalyst composition may be any suitable composition including a K.sub.2O, CaO, SiO.sub.2 (KCS-1) silcate catalyst, and the substrate may be a wire mesh, such a…

    Date Issued:
    2017-03-14
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Paul J. McGinn, James Zokoe
    Patent Number:
    US 10030556 B2
    Description:

    A diesel soot filter includes a substrate having a surface disposed at least partially within a fluid path of the diesel soot filter. A glass catalyst is disposed on the surface of the substrate such that an exhaust gas contacts at least a portion of a surface of the glass catalyst as the exhaust gas moves within the diesel soot filter. The glass catalyst comprises a plurality of alkali metal ions disposed within the glass catalyst and releasable to the surface of the glass catalyst at a cont…

    Date Issued:
    2018-07-24
    Record Visibility:
    Public
    Resource Type
    Patent