Patents by Inventor Barbara K. Slawski

Barbara K. Slawski 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).

  • Selective catalytic reduction articles and systems
    Patent number: 11344868
    Abstract: Certain selective catalytic reduction (SCR) articles, systems and methods provide for high NOx conversion while at the same time low N2O formation. The articles, systems and methods are suitable for instance for the treatment of exhaust gas of diesel engines. Certain articles have zoned coatings disposed thereon, for example, a zoned coating comprising an upstream zone comprising a coating layer comprising a steam-activated iron-containing molecular sieve and a downstream zone comprising a coating layer comprising a high copper-containing molecular sieve.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: May 31, 2022
    Assignee: BASF Corporation
    Inventors: Jeff H. Yang, Wen-Mei Xue, Stanley A. Roth, Kenneth E. Voss, Qi Fu, Subramanian Prasad, Barbara K. Slawski, Jaya L. Mohanan, Sandip D. Shah
  • SELECTIVE CATALYTIC REDUCTION ARTICLES AND SYSTEMS
    Publication number: 20190168199
    Abstract: Certain selective catalytic reduction (SCR) articles, systems and methods provide for high NOx conversion while at the same time low N2O formation. The articles, systems and methods are suitable for instance for the treatment of exhaust gas of diesel engines. Certain articles have zoned coatings disposed thereon, for example, a zoned coating comprising an upstream zone comprising a coating layer comprising a steam-activated iron-containing molecular sieve and a downstream zone comprising a coating layer comprising a high copper-containing molecular sieve.
    Type: Application
    Filed: August 4, 2017
    Publication date: June 6, 2019
    Inventors: Jeff H. Yang, Wen-Mei Xue, Stanley A. Roth, Kenneth E. Voss, Qi Fu, Subramanian Prasad, Barbara K. Slawski, Jaya L. Mohanan, Sandip D. Shah