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|Title:||Methods and compositions for treating pulmonary disorders using optically pure (R,R)-formoterol|
|Abstract:||A method and composition are disclosed utilizing the pure (R,R) isomer of formoterol, which is a potent bronchodilator with reduced adverse effects, a low incidence of the development of tolerance and an increased duration of action, as compared to racemic formoterol.|
|Inventor(s):||Aberg; Gunnar (Westborough, MA), Morley; John (Richmond-upon-Thames, GB)|
|Assignee:||Sepracor Inc. (Marlborough, MA)|
Patent Claim Types:|
see list of patent claims
|Use; Dosage form; Delivery; Composition;|
Field: Not categorized
Back Citations: 10th percentile
Forward Citations: 1st percentile
|Patent Number||Expiration Date|
|6,866,839||March 15, 2013|
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|United Kingdom||9107196||Apr 05, 1991|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
| 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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