Drug – bio-affecting and body treating compositions – Contact lens treatment – Chemical sterilizing
Patent
1995-06-07
1998-09-22
Clardy, S. Mark
Drug, bio-affecting and body treating compositions
Contact lens treatment
Chemical sterilizing
134901, 422 28, 514839, A61L 216
Patent
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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Chowhan Masood
Dassanayake Nissanke L.
Alcon Laboratories Inc.
Brown Gregg C.
Clardy S. Mark
Harrison Robert H.
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