Use of borate-polyol complexes in ophthalmic compositions

Drug – bio-affecting and body treating compositions – Contact lens treatment – Chemical sterilizing

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134901, 422 28, 514839, A61L 216

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active

058114661

ABSTRACT:
Water-soluble borate-polyol complexes are useful as buffers and/or antimicrobials in aqueous ophthalmic compositions, including those containing polyvinyl alcohol. These compositions have greater antimicrobial activity than comparable compositions containing typical borate buffers and unexpectedly increase the antimicrobial efficacy of other antimicrobial agents when used in combination. In addition, use of the borate-polyol complexes avoids the incompatibility problem typically associated with the combination of borate buffer and polyvinyl alcohol; therefore, the compositions disclosed herein may also contain polyvinyl alcohol.

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