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Liquid concentrated herbicidal microemulsion compositions comprising glyphosate and either oxyfluorfen or acifluorfen

  • US 5,565,409 A
  • Filed: 03/28/1994
  • Issued: 10/15/1996
  • Est. Priority Date: 04/02/1993
  • Status: Expired due to Fees
First Claim
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1. A stable aqueous-based liquid concentrate herbicidal composition having a separate phase in the form of a microemulsion or micellar solution comprising:

  • a) at least 15% of a water soluble herbicidal salt of N-phosphonomethylglycine a.e. dissolved in said liquid;

    b) a water-insoluble diphenylether herbicide selected from the group consisting of oxyfluorfen and acifluorfen dissolved in an inert organic solvent and suspended in the aqueous liquid, the ratio by weight of N-phosphonomethylglycine herbicide a.e. to the diphenylether herbicide being from abut 10;

    1 to about 100;

    1;

    c) about 5 to about 25% by weight of a surfactant mixture of (i) an alkoxylated fatty amine surfactant and (ii) an alkoxylated quaternary ammonium salt surfactant;

    d) about 1 to about 25% by weight of a compatibility agent selected from the group consisting of dipropylene glycol and diethylene glycol; and

    e) the remainder water.

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