Patents by Inventor Russell Dean Alcorn

Russell Dean Alcorn 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).

  • One-step oxidation of wet-process phosphoric acid
    Patent number: 6911191
    Abstract: A one-step method for production of green-colored, stabilized wet-process phosphoric acid in which black-colored, wet-process phosphoric acid containing incidental metallic impurities and a carbonaceous content of less than 1000 ppm is oxidized to produce a green-colored liquid having a carbonaceous content less than 500 ppm. A typical green-colored liquid product produced by this one-step process has an emf of greater than 800 mv.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: June 28, 2005
    Assignee: Agrium U.S. Inc.
    Inventors: Daniel Carl Neuman, Russell Dean Alcorn, Bryce Richard Carpenter
  • One-step oxidation of wet-process phosphoric acid
    Publication number: 20040081608
    Abstract: A one-step method for production of green-colored, stabilized wet-process phosphoric acid in which black-colored, wet-process phosphoric acid containing incidental metallic impurities and a carbonaceous content of less than 1000 ppm is oxidized to produce a green-colored liquid having a carbonaceous content less than 500 ppm. A typical green-colored liquid product produced by this one-step process has an emf of greater than 800 mv.
    Type: Application
    Filed: October 25, 2002
    Publication date: April 29, 2004
    Inventors: Daniel Carl Neuman, Russell Dean Alcorn, Bryce Richard Carpenter