Patents by Inventor Kemet D. Spence

Kemet D. Spence 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).

  • Microbial insecticide
    Patent number: 4328203
    Abstract: An improved microbial insecticide composition, and methods for the production and utilization thereof, are disclosed. The disclosed composition comprises a microbial insect pathogen of viral, bacterial, or fungal origin which is susceptible to sunlight-induced inactivation embedded in a coacervate microbead which is comprised of a nucleic acid, typically RNA, and a proteinaceous material, whereby the microbead structure itself effectively shields the agent from sunlight-induced inactivation. The microbead is typically stabilized by chemical crosslinking.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: May 4, 1982
    Assignee: Battelle Development Corporation
    Inventors: Kemet D. Spence, Robert E. Andrews
  • Microbial insecticide
    Patent number: 4325937
    Abstract: An improved microbial insecticide composition, and methods for the production and utilization thereof, are disclosed. The disclosed composition comprises a microbial insect pathogen of viral, bacterial, or fungal origin which is susceptible to sunlight-induced inactivation embedded in a coacervate microbead which is comprised of a nucleic acid, typically RNA, and a proteinaceous material, whereby the microbead structure itself effectively shields the agent from sunlight-induced inactivation. The microbead is typically stabilized by chemical crosslinking.
    Type: Grant
    Filed: March 5, 1981
    Date of Patent: April 20, 1982
    Assignee: Battelle Development Corporation
    Inventors: Kemet D. Spence, Robert E. Andrews
  • Microbial insecticide
    Patent number: 4265880
    Abstract: An improved microbial insecticide composition, and methods for the production and utilization thereof, are disclosed. The disclosed composition comprises a microbial insect pathogen of viral, bacterial, or fungal origin which is susceptible to sunlight-induced inactivation embedded in a coacervate microbead which is comprised of a nucleic acid, typically RNA, and a proteinaceous material, whereby the microbead structure itself effectively shields the agent from sunlight-induced inactivation. The microbead is typically stabilized by chemical crosslinking.
    Type: Grant
    Filed: March 26, 1980
    Date of Patent: May 5, 1981
    Assignee: Battelle Development Corporation
    Inventors: Kemet D. Spence, Robert E. Andrews
  • Microbial insecticide
    Patent number: 4223007
    Abstract: An improved microbial insecticide composition, and methods for the production and utilization thereof, are disclosed. The disclosed composition comprises a microbial insect pathogen of viral, bacterial, or fungal origin which is susceptible to sunlight-induced inactivation embedded in a coacervate microbead which is comprised of a nucleic acid, typically RNA, and a proteinaceous material, whereby the microbead structure itself effectively shields the agent from sunlight-induced inactivation. The microbead is typically stabilized by chemical crosslinking.
    Type: Grant
    Filed: April 27, 1979
    Date of Patent: September 16, 1980
    Assignee: Battelle Development Corporation
    Inventors: Kemet D. Spence, Robert E. Andrews