Patents by Inventor John Douglas Downer

John Douglas Downer 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).

  • Stabilized dispersions of micronutrients in spray oils
    Patent number: 3982920
    Abstract: Disclosed herein are self-emulsifiable compositions containing water soluble micronutrients such as inorganic salts of zinc or manganese in a finely divided form. The concentrates are prepared from inexpensive water soluble compounds by an emulsion-dehydration process. The compositions containing horticultural mineral spray oils are capable of forming a stable emulsion with water by gentle shaking. Alternatively, the compositions may be diluted further with additional spray oils and remain as a suspension.
    Type: Grant
    Filed: December 2, 1974
    Date of Patent: September 28, 1976
    Assignee: Texaco Inc.
    Inventors: Edward A. Cross, John Douglas Downer