Patents by Inventor George C. Papavizas

George C. Papavizas 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).

  • Preparation of pellets containing fungi and nutrient for control of soilborne plant pathogens
    Patent number: 4668512
    Abstract: This invention relates to a method for preparing pellets containing living biocontrol fungi and nutrient dispersed throughout. Living fungi are selected and grown for inoculum. The fungal propagules and wheat bran are added to a sodium alginate solution. The fungal propagule-alginate-bran mixture is added dropwise into a solution of calcium chloride. The resultant alginate gel pellets containing living fungi can be dried and used to inoculate agricultural fields infested with soilborne diseases.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: May 26, 1987
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Jack A. Lewis, George C. Papavizas, William J. Connick, Jr.
  • Strain of Trichoderma viride to control fusarium wilt
    Patent number: 4489161
    Abstract: A new strain of the fungus Trichoderma viride designated as T-1-R9 is described. The new strain is an effective biocontrol agent for fusarium wilt of chrysanthemum.
    Type: Grant
    Filed: October 25, 1982
    Date of Patent: December 18, 1984
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: George C. Papavizas