Tolterodine salts
Patent 7005449 Issued on February 28, 2006. Estimated Expiration Date: 
April 23, 2022. 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 23, 2022. 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 5382600 3,3-diphenylpropylamines, their use and preparation Process to prepare tolterodine Patent #: 5922914 InventorsAssigneeApplicationNo. 10127875 filed on 04/23/2002US Classes:514/555, Benzene ring in acid moiety562/490, Naphthyl group564/395, Preparing directly by amination564/413Preparing directly from hetero ring containing compoundExaminersPrimary: Taang, Cecilia J.Assistant: Oh, Taylor V. Attorney, Agent or FirmForeign Patent References
International ClassesA61K 31/205C07C 215/56 C07C 209/00 AbstractThe present invention concerns novel pharmaceutically active compounds, pharmaceutical compositions containing the same, the compounds for use as medicaments, and use of the compounds for the manufacture of specific medicaments. The present invention also concerns a method of treatment involving administration of the compounds.Specifically, the compounds are pharmaceutically acceptable salts of tolterodine or hydroxytolterodine, wherein the salt is of an acid selected from the group consisting of aliphatic mono- and dicarboxylic acids comprising from 7 to 24 carbon atoms, alkanedisulfonic acids comprising from 2 to 4 carbon atoms, naphthoic acid derivatives comprising from 11 to 27 carbon atoms, maleic acid and fumaric acid.Other References
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