Patents by Inventor Jane Likens

Jane Likens 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).

  • Inorganic perbromide compositions and methods of use thereof
    Patent number: 5620585
    Abstract: A process for leaching gold, silver, platinum and palladium wherein an aqueous leaching solution containing bromine and bromide ion contacts a precious metal source to produce an aqueous leachate. A precursor composition for producing an aqueous leaching solution for leaching gold, silver, platinum and palladium. A process for electrogenerating bromine and a process for leaching gold, silver, platinum and palladium wherein bromine is electrogenerated and contacts a precious metal source to produce an aqueous leachate. A process for leaching gold, silver, platinum and palladium wherein bromine is electrogenerated from a solution containing chloride ions and bromide ions.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: April 15, 1997
    Assignee: Great Lakes Chemical Corporation
    Inventors: Ahmad Dadgar, Jonathan N. Howarth, Rodney H. Sergent, Nicolai A. Favstritsky, Julie A. McKeown, Dennis W. Borden, Brent M. Sanders, Jane Likens
  • Inorganic perbromide compositions and methods of use thereof
    Patent number: 5607619
    Abstract: A process for leaching gold, silver, platinum and palladium wherein an aqueous leaching solution containing bromine and bromide ion contacts a precious metal source to produce an aqueous leachate. A precursor composition for producing an aqueous leaching solution for leaching gold, silver, platinum and palladium. A process for electrogenerating bromine and a process for leaching gold, silver, platinum and palladium wherein bromine is electrogenerated and contacts a precious metal source to produce an aqueous leachate. A process for leaching gold, silver, platinum and palladium wherein bromine is electrogenerated from a solution containing chloride ions and bromide ions.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 4, 1997
    Assignee: Great Lakes Chemical Corporation
    Inventors: Ahmad Dadgar, Jonathan N. Howarth, Rodney H. Sergent, Nicolai A. Favstritsky, Julie A. McKeown, Dennis W. Borden, Brent M. Sanders, Jane Likens