Patents by Inventor Ian J. McGowan

Ian J. McGowan 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).

  • Suspension fertilizers
    Patent number: 5002601
    Abstract: A process for preparing suspension fertilizers wherein nutrient material and at least one crystal growth inhibitor are mixed, potassium chloride is added, the resultant slurry mixed and subsequently a suspending aid, for example a clay, is added with mixing.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: March 26, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventors: Richard Buscall, Ian J. McGowan