Patents by Inventor Peter R. Seidl

Peter R. Seidl 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: 6673969
    Abstract: A new oxime mixture used as an extractant for metals, prepared from natural products containing alkylated phenols such as cashew nut shell liquid using mild reaction conditions, is expressed by the formula: The oxime mixture is suitable for extracting gallium from waste effluents from ore processing, such as Bayer liquor.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: January 6, 2004
    Assignee: Comselho Nacional de Desenvolvimento Cientifico e Tecnologico CNPQ
    Inventors: Peter R. Seidl, Ángelo Da Cunha Pinto, Arthur R. Menzel, Roberto O. Portela Couto
  • Publication number: 20020123650
    Abstract: A new oxime mixture used as an extractant for metals, prepared from natural products containing alkylated phenols such as cashew nut shell liquid using mild reaction conditions, is expressed by the formula: 1
    Type: Application
    Filed: February 28, 2002
    Publication date: September 5, 2002
    Inventors: Peter R. Seidl, Angelo Da Cunha Pinto, Arthur R. Menzel, Roberto O. Portela Couto