Patents by Inventor D. Kendall Hass

D. Kendall Hass 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).

  • Quinoxalinedione compounds useful for controlling coccidiosis
    Patent number: 4659713
    Abstract: Quinoxalinedione compounds are effective coccidiostats when administered to animals. The compounds are conveniently incorporated into standard animal feeds. The compounds are particularly effective for controlling coccidiosis in poultry.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: April 21, 1987
    Assignee: International Minerals & Chemical Corp.
    Inventor: D. Kendall Hass