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Medium chain peroxycarboxylic acid compositions

  • US 7,569,232 B2
  • Filed: 01/04/2005
  • Issued: 08/04/2009
  • Est. Priority Date: 01/09/2004
  • Status: Active Grant
First Claim
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1. A composition consisting of:

  • about 0.5 to about 5 wt-% peroxyoctanoic acid;

    about 1 to about 10 wt-% octanoic acid;

    about 5 to about 97 wt-% water;

    about 1 to about 20 wt-% of an anionic surfactant selected from the group consisting of alkyl sulfonate, linear alkyl benzene sulfonic acid, secondary alkane sulfonate, alkylated diphenyl oxide disulfonate, alkyl ether sulfate, and mixtures thereof;

    about 5 to about 10 wt-% hydrogen peroxide and a persulfate;

    about 15 to about 35 wt-% sulfuric acid or methanesulfonic acid; and

    about 1 to about 5 wt-% sequestrant;

    the composition being in the form of a microemulsion, the microemulsion comprising droplets of a diameter of 100 nanometers or less.

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