Novel sulfonamide derivatives
Patent 4401663 Issued on August 30, 1983. Estimated Expiration Date: 
March 23, 2002. 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.
March 23, 2002. 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 References 3268582 Method for analgesia using 3-hydroxyacetanilide Method of producing analgesia Patent #: 4313958 InventorsAssigneeApplicationNo. 06/360953 filed on 03/23/1982US Classes:514/605, Q is acyclic and benzene ring in a substituent E514/604, Q is monocyclic564/84, Substituent Q contains benzene ring564/89, Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/92, Benzene ring in a substituent E564/95, Substituent Q is acyclic564/99, Benzene ring in a substituent E8/161Living animalExaminersPrimary: Moyer, Donald B.Assistant: Pepper, Frederick W. Attorney, Agent or FirmInternational ClassA61K 31/18 (20060101)AbstractA compound, or pharmaceutically acceptable salt thereof, having the formula: ##STR1## wherein X is ##STR2## wherein R is C3 -C12 alkyl or aralkyl, branched or unbranched, unsubstituted aryl, haloaryl, or C3 -C22 alkenyl, branched or unbranched; wherein R1 is H, OH or OCH3, and wherein R2 is OH or H, at least one of R1 and R2 being OH or OCH3. These sulfonamides have analgesic and anti-irritant activity when administered to humans and lower animals.Other References
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