Patents by Inventor Peter John Baldock

Peter John Baldock 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).

  • Slow-release fertilizers
    Patent number: 3992184
    Abstract: A fertilizer from which potassium is released slowly comprises a frit produced from a potassium/silicon composition in the range K.sub.2 O.2SiO.sub.2 to K.sub.2 O.4SiO.sub.2 and containing from 5.5% to less than 10% by weight of calcium oxide.
    Type: Grant
    Filed: February 13, 1975
    Date of Patent: November 16, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventor: Peter John Baldock