Patents by Inventor Jeremy Denis Glennon

Jeremy Denis Glennon 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).

  • Substituted thiourea complexing agent and a method for extracting a noble metal from a matrix using the complexing agent
    Patent number: 6866833
    Abstract: A substituted thiourea having the general formula characterized in that each of R1 and R2 independently comprises an alkyl, alkaryl or aryl group or a substituted derivative thereof, and contains at least one fluorine atom, and in that each of R3 and R4 is selected from the group which consists of H, alkyl, alkaryl and aryl and substituted derivatives thereof, including fluorine-containing derivatives. A method for producing the substituted thiourea is disclosed, and a method for extracting a noble metal such as gold from a matrix by treating the matrix with the substituted thiourea is also disclosed.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: March 15, 2005
    Assignee: University College Cork
    Inventors: Jeremy Denis Glennon, Jane Harris, Stephen John Harris