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|Title:||Aqueous ophthalmic formulations and methods for preserving same|
|Abstract:||Stabilized chlorine dioxide is a preservative for ophthalmic formulations. The stabilized chlorine dioxide, when employed as a preservative ophthalmic formulations is preferably present in an amount of from about 0.0002 or about 0.002 to about 0.02 weight/volume percent. The aqueous ophthalmic formulations, in addition to the stabilized chlorine dioxide and the water which functions as a vehicle for the formulations, contains an ophthalmically acceptable tonicity component effective to maintain the osmolality of the formulation at least about 200 mOsmol/kg, and a buffer to maintain the pH of the ophthalmic formulation within an acceptable physiological range. A method for preserving aqueous ophthalmic formulations utilizing stabilized chlorine dioxide is also set forth.|
|Inventor(s):||Dziabo; Anthony J. (El Toro, CA), Ripley; Paul S. (Irvine, CA)|
|Assignee:||Allergan, Inc. (Irvine, CA)|
Patent Claim Types:|
see list of patent claims
|Country||Document Number||Publication Date||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Portugal||92453||May 31, 1990|
|Spain||2098226||May 01, 1997|
|New Zealand||231458||Jan 29, 1992|
|Canada||2003198||May 29, 1990|
|Austria||147230||Jan 15, 1997|
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