Patents by Inventor James B. Clendenning

James B. Clendenning 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).

  • Methods for detecting and extracting gold
    Patent number: 6875254
    Abstract: Methods for detecting gold and quantitating gold in ore samples utilizing a gold-specific protein are provided, including methods for multiple sample handling. Also provided are methods for extracting gold from mineral suspensions utilizing a magnetic mineral binding reagent and gold-specific protein, or hydrophobic reagent and gold-specific protein in conjunction with a flotation reagent.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: April 5, 2005
    Assignees: University of Washington, Placer Dome, Inc.
    Inventors: Clement E. Furlong, Scott Jorgenson-Soelberg, James B. Clendenning, Noel W. Kirshenbaum, Victor Chevillon, Peter Leon Kowalczyk
  • Methods for detecting and extracting gold
    Publication number: 20040206206
    Abstract: Methods for detecting gold and quantitating gold in ore samples utilizing a gold-specific protein are provided, including methods for multiple sample handling. Also provided are methods for extracting gold from mineral suspensions utilizing a magnetic mineral binding reagent and gold-specific protein, or hydrophobic reagent and gold-specific protein in conjunction with a flotation reagent.
    Type: Application
    Filed: February 3, 2004
    Publication date: October 21, 2004
    Inventors: Clement E. Furlong, Scott Jorgenson-Soelberg, James B. Clendenning, Noel W. Kirshenbaum, Victor Chevillon, Peter Leon Kowalczyk
  • Methods for detecting and extracting gold
    Patent number: 6686202
    Abstract: Methods for detecting gold and quantitating gold in ore samples utilizing a gold-specific protein are provided, including methods for multiple sample handling. Also provided are methods for extracting gold from mineral suspensions utilizing a magnetic mineral binding reagent and gold-specific protein, or hydrophobic reagent and gold-specific protein in conjunction with a flotation reagent.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: February 3, 2004
    Assignees: Placer Dome, Inc., University of Washington
    Inventors: Clement E. Furlong, Scott Jorgenson-Soelberg, James B. Clendenning, Noel W. Kirshenbaum, Victor Chevillon, Peter Leon Kowalczyk
  • Methods for detecting and extracting gold
    Publication number: 20030124744
    Abstract: Methods for detecting gold and quantitating gold in ore samples utilizing a gold-specific protein are provided, including methods for multiple sample handling. Also provided are methods for extracting gold from mineral suspensions utilizing a magnetic mineral binding reagent and gold-specific protein, or hydrophobic reagent and gold-specific protein in conjunction with a flotation reagent.
    Type: Application
    Filed: August 8, 2001
    Publication date: July 3, 2003
    Inventors: Clement E. Furlong, Scott Jorgenson-Soelberg, James B. Clendenning, Noel W. Kirshenbaum, Victor Chevillon, Peter Leon Kowalczyk