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    • 5. 发明专利
    • HERBICIDAL COMPOSITION
    • JPH0881316A
    • 1996-03-26
    • JP6089995
    • 1995-03-20
    • UNION OIL CO
    • YOUNG DONALD C
    • A01N57/20A01N59/02C07F9/38
    • PURPOSE: To obtain a herbicidal composition highly concentrated, water soluble, chemically stable, acting rapidly, having a road spectrum vegetation control, by using glyphosate or its derivatives and sulfuric acid, in a specific molar ratio, as the active components. CONSTITUTION: This herbicidal composition contains the reaction products of glyphosate, i.e., N-(phosphonomethyl)glycine and sulfuric acid carried out in the molar ratio of 1:2 at 70 deg.C, as the active component. The glyphosate is preferably contained at least 10 wt.% in the composition. Especially, at least 20 wt.%., more preferably, at least 5 wt.% of the combination of glyphosate and sulfuric acid is contained in the composition. This composition is inexpensively producible, and manifests a broad spectrum vegetation control. The compositions easily producible manifesting no corrosion behavior, beneficial in shipment, strong, and use. The composition is especially effective to broad- leaved plants.