Patents by Inventor Dagmar Bonnin

Dagmar Bonnin 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).

  • Method of removing arsenic species from an aqueous medium using modified zeolite minerals
    Patent number: 6042731
    Abstract: A method for removing arsenic species from an aqueous medium with modified zeolite minerals comprising providing an aqueous medium containing arsenic species in the form of both arsenate and arsenite, contacting the aqueous medium with an iron (II) laden zeolite mineral so that arsenic in the form of at least one of arsenate and arsenite contained in the aqueous medium can be adsorbed onto the iron (II) laden zeolite mineral forming an arsenic adsorbed iron (II) laden zeolite mineral, and separating the arsenic adsorbed iron (II) laden zeolite mineral from the aqueous medium.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: March 28, 2000
    Assignee: The University of South Florida
    Inventor: Dagmar Bonnin