Patents Assigned to Leffingwell Chemical Company
  • Protection of horticultural growth
    Patent number: 4038385
    Abstract: Protection of horticultural property such as fruit, vegetable and ornamental plants, trees and shrubs against warm-blooded animal predators such as deer and rabbits is achieved by coating the normally edible portions of horticultural growth with a tall oil composition, essentially free of biotically active material and suitably containing a volatile amine which may be prereacted with fatty acids added to or present in the tall oil.
    Type: Grant
    Filed: April 26, 1973
    Date of Patent: July 26, 1977
    Assignee: Leffingwell Chemical Company
    Inventors: Alta M. Bowyer, George B. Hinckley, James E. Davis