Organic Active Compound Containing Patents (Class 504/189)
  • Patent number: 5290749
    Abstract: A method of selectively inhibiting growth of unwanted plants in a plot of soil is provided comprising the application of a plant protein hydrolysate to the plot of soil, prior to emergence of the unwanted plants and at a concentration of application which inhibits the growth of the unwanted plants.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: March 1, 1994
    Assignees: Iowa State University Research Foundation, Inc., Grain Processing Corporation
    Inventors: Nick E. Christians, John T. Garbutt, Dianna Liu
  • Patent number: 5276005
    Abstract: An herbal treatment for plant growth comprising a water solution of extracts of the type withdrawn at elevated temperature from Artemesia plants and the like, applicable to the root structure of plants and as an external spray.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: January 4, 1994
    Assignee: Allor Foundation
    Inventors: Marianne Lorina, Robert H. Rines, Carol M. Rines, Justice C. Rines
  • Patent number: RE34594
    Abstract: Corn gluten meal is used as a natural preemergence herbicide.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: April 26, 1994
    Assignee: Iowa State University of Research Foundation, Inc.
    Inventor: Nick E. Christians