Patents by Inventor Rebecca DISTEFANO

Rebecca DISTEFANO 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).

  • Patent number: 11975305
    Abstract: Sorbents are disclosed which exhibit less inherent leaching of arsenic and antimony than what is achieved by conventional sorbents. The inventive sorbents are formed by a process which includes the steps of contacting the porous sorbent particulate with a solution of a metal oxide or metal hydroxide, or a metal oxide or metal hydroxide precursor, and depositing metal oxides and hydroxides within the pores of the porous sorbent particulate. Purification of water is also described.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: May 7, 2024
    Assignee: CALGON CARBON CORPORATION
    Inventors: Rebecca Distefano, Robert Vaughn
  • Publication number: 20180229213
    Abstract: Sorbents are disclosed which exhibit less inherent leaching of arsenic and antimony than what is achieved by conventional sorbents. The inventive sorbents are formed by a process which includes the steps of contacting the porous sorbent particulate with a solution of a metal oxide or metal hydroxide, or a metal oxide or metal hydroxide precursor, and depositing metal oxides and hydroxides within the pores of the porous sorbent particulate. Purification of water is also described.
    Type: Application
    Filed: February 12, 2018
    Publication date: August 16, 2018
    Inventors: Rebecca DISTEFANO, Robert VAUGHN