A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
71/41, 71/5
A01N 25/02 (2006.01) A01N 47/28 (2006.01) A01N 59/02 (2006.01)
Patent
CA 1225533
ABSTRACT OF THE DISCLOSURE Liquid herbicidal compositions having systemic herbicidal activity comprise aqueous solutions containing one or more systemic herbicides chemically stable in the solution, and an amount of urea and sulfuric acid sufficient to accentuate the activity of the systemic herbicide. The molar ratio of urea to sulfuric acid is within the range of about 1/4 to about 7/4 so that at least about 25 percent of the sulfuric acid is present in the composition as the monourea-sulfuric acid adduct. The monourea adduct also acts as a contact herbicide and thereby assists in the immediate control of treated vegetation. Solid compositions comprising combinations of systemic herbicides, urea and sulfuric acid, with and without surfactants, and methods of using the aqueous solutions are also disclosed.
453101
Fetherstonhaugh & Co.
Union Oil Company Of California
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