Patents by Inventor Martin B. Barke

Martin B. Barke 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).

  • Seed having high opacity coatings
    Patent number: 4368591
    Abstract: Seeds are coated with an active ingredient and between 0.035 and 1.80 g. of titanium dioxide per kg. of seed in either the rutile or anatase form. The titanium dioxide serves, in conjunction with a coloring agent, to provide a bright, opaque coating to the seed.
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: January 18, 1983
    Assignee: Cargill, Incorporated
    Inventors: Martin B. Barke, Rebecca A. Luebke
  • Stable protective seed coating
    Patent number: 4272417
    Abstract: A stable, liquid seed coating composition is provided, including a binding agent, an active ingredient and a coloring agent in a liquid medium including water and a polyol.
    Type: Grant
    Filed: May 22, 1979
    Date of Patent: June 9, 1981
    Assignee: Cargill, Incorporated
    Inventors: Martin B. Barke, Rebecca A. Luebke