Antitussive composition containing dextromethorphan and benzydamine
Patent 5932589 Issued on August 3, 1999. Estimated Expiration Date: 
December 24, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 24, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesDextromethorphan antitussive compositions Patent #: 5196436 InventorApplicationNo. 700362 filed on 12/24/1996US Classes:514/289, Two of the cyclos share at least three ring members (i.e., bridged) (e.g., morphinans, etc.)514/403, 1,2-diazoles514/850AntitussiveExaminersPrimary: Moezie, M.Attorney, Agent or FirmInternational ClassesA61K 031/44A61K 031/415 Foreign Application Priority Data1994-03-01 ITAbstractOral antitussive pharmaceutical composition which allows a significant contact of its components with mucous membranes of the buccal cavity and comprises a centrally acting antitussive or a pharmaceutically acceptable salt thereof and benzydamine or a pharmaceutically acceptable acid addition salt thereof.Other References
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