Process for producing analgesia
Patent 4083982 Issued on April 11, 1978. Estimated Expiration Date: 
April 11, 1995. 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.
April 11, 1995. 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.InventorsApplicationNo. 783589 filed on 04/01/1977US Classes:514/282One of the five cyclos is five-membered and includes ring chalcogen (e.g., codeine, morphine, etc.)ExaminersPrimary: Friedman, Stanley J.Attorney, Agent or FirmInternational ClassA61K 031/485AbstractAnalgesia is produced or hyperalgesia is reduced in an animal including human beings by administering 3-(p-trifluoromethylphenoxy)-N-methyl-3-phenylpropylamine either alone or with morphine sulfate. A novel composition is provided comprising 3-(p-trifluoromethylphenoxy)-N-methyl-3-phenylpropylamine and 25 to 50 weight percent morphine sulfate based upon the weight of the phenylpropylamine.Other References
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