Patents Assigned to Leo E. Burt
  • Pesticidal formaldehyde concentrate
    Patent number: 4020182
    Abstract: The composition of matter including an aqueous solution of formaldehyde, a water-soluble hydrazinium salt, and a water-soluble ammonium salt provides a pesticide concentrate that when diluted, is predictably stable; may be used safely in soil or on foliage and around the roots of growing plants; and evidences controlled released properties.
    Type: Grant
    Filed: November 21, 1974
    Date of Patent: April 26, 1977
    Assignee: Leo E. Burt
    Inventors: Leo E. Burt, Stephen E. Frazier