Patents by Inventor Marie A. Lishka

Marie A. Lishka 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).

  • Filter material for removal of ozone from the atmosphere
    Patent number: 4184983
    Abstract: Ozone, which may be an irritating factor present in the atmosphere, may be removed therefrom by utilizing, as a filter material, in masks a material comprising at least one metal or metal oxide selected from Group VIII of the Periodic Table, a carbonaceous pyropolymer or combinations thereof composited on a solid support such as an alumina.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: January 22, 1980
    Assignee: UOP Inc.
    Inventors: Patricia J. Putz, Marie A. Lishka, Edwin J. Latos