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|Abstract:||The invention is directed to an aqueous non-ototoxic, topical, otic pharmaceutical composition of matter for treating a mammal consisting essentially of: ciprofloxacin or a pharmaceutically acceptable salt thereof in aqueous solution in an amount effective for antibacterial action; hydrocortisone or a pharmaceutically acceptable salt thereof in an amount effective as an anti-inflammatory agent; polyvinyl alcohol at least about 85% hydrolyzed in an amount effective to suspend the hydrocortisone in solution; water sufficient to produce an aqueous composition; benzyl alcohol in an amount effective for antibacterial action; lecithin in an amount effective for enhancing suspension of other constituents in the composition; and polysorbate ranging from polysorbate 20 to 80 in an amount effective for spreading the preparation on a hydrophobic skin surface to the site of infection or inflammation.|
|Inventor(s):||Purwar; Shivaji (Monroe, CT), Goldman; David (Hillsdale, NJ)|
|Assignee:||Bayer Aktiengesellschaft (Leverkusen, DE)|
Patent Claim Types:|
see list of patent claims
|Use; Composition; Formulation;|
Field: Not categorized
Back Citations: 10th percentile
Forward Citations: 2nd percentile
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Germany||69620136||<disabled in preview>|
|Denmark||0782448||<disabled in preview>|
|European Patent Office||0782448||<disabled in preview>|
| This preview shows a limited data set|
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.
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