Patents by Inventor Anthony Joseph Simpson

Anthony Joseph Simpson 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).

  • Complexing compositions
    Patent number: 6258750
    Abstract: The invention provides pesticidal, algicidal, herbicidal and/or fungicidal compositions, containing a complexing agent containing ethylene diamine disuccinic acid and one or selected metal ions, preferably cobalt, zinc or ions. The invention also relates to an aqueous pesticidal, algicidal, herbicidal, fungicidal composition comprising specific levels of calcium ions and complexing agent, containing a complex of a specific metal ion and a complexing a compound.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: July 10, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Anthony Joseph Simpson, Stephen Wayne Heinzman, Barry Thomas Ingram