Use of borate-polyol complexes in ophthalmic compositions

  • US 6,849,253 B2
  • Filed: 11/22/2002
  • Issued: 02/01/2005
  • Est. Priority Date: 05/06/1992
  • Status: Expired due to Fees
First Claim
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1. An aqueous ophthalmic solution comprising:

  • 0.5 to 6.0 wt. % of a water soluble borate-polyol complex to enhance the antimicrobial activity of the solution, and water;

    wherein the borate-polyol complex comprises a borate compound selected from the group consisting of boric acid and pharmaceutically acceptable salts thereof and propylene glycol, and the molar ratio of borate to polyol is 1;

    0.1 to 1;

    10.

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