Method of treating patients suffering from chronic pain or chronic cough
Patent 4785000 Issued on November 15, 1988. Estimated Expiration Date: 
November 16, 2007. 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.
November 16, 2007. 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 References3896226 InventorsApplicationNo. 07/121784 filed on 11/16/1987US Classes:514/282, One of the five cyclos is five-membered and includes ring chalcogen (e.g., codeine, morphine, etc.)514/546ZC(=O)OY, wherein Z is an acyclic radical bonded to the C=O by a carbon and Y is an organic radical bonded to the oxygen by a carbonExaminersPrimary: Friedman, Stanley J.Attorney, Agent or FirmInternational ClassA61K 31/485 (20060101)AbstractA method of treating patients in chronic pain or suffering from chronic cough over a prolonged period to provide systemic analgesia or central antitussive effect while simultaneously avoiding the onset of intestinal hypomotility. The method includes the oral administration to the patient of dosage units comprising in combination opioid analgesics or antitussives and selected opioid antagonists which are substantially devoid of systemic antagonist activity when administered orally.Other References
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