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Stable liquid enzyme compositions with enhanced activity

  • US 6,624,132 B1
  • Filed: 06/29/2000
  • Issued: 09/23/2003
  • Est. Priority Date: 06/29/2000
  • Status: Expired due to Term
First Claim
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1. A liquid enzyme cleaning composition comprising surfactant, detersive enzyme, 10% to about 20% by weight boric acid salt, and 60% to about 85% by weight water;

  • the boric acid salt remaining dissolved in the cleaning composition at room temperature;

    wherein the liquid enzyme cleaning composition is formulated to provide detersive enzyme that retains about 100% of its initial activity at ambient temperature for at least 11 months after forming the composition.

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