3,3-diphenylpropylamines, their use and preparation
Patent 5559269 Issued on September 24, 1996. Estimated Expiration Date: 
May 5, 2015. 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.
May 5, 2015. 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 References3-Aryloxy-1-(2- or 4-iminodihydro-1-pyridyl)-2-propanol antiarrhythmic compounds Patent #: 4139537 InventorsAssigneeApplicationNo. 432113 filed on 05/05/1995US Classes:564/443Hydroxy, bonded directly to carbon, or ether containing (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)ExaminersPrimary: Hamilton, III, ThomasAttorney, Agent or FirmForeign Patent References
International ClassA61K 031/135Foreign Application Priority Data1992-11-06 SEAbstractThe invention relates to 3,3-diphenylpropylamines of formula (I), wherein R1 signifies hydrogen or methyl, R2 and R3 independently signify hydrogen, methyl, methoxy, hydroxy, carbamoyl, sulphamoyl or halogen, and X represents a tertiary amino group of formula (II), wherein R4 and R5 signify non-aromatic hydrocarbyl groups, which may be the same or different and which together contain at least three carbon atoms, and wherein R4 and R5 may form a ring together with the amine nitrogen, their salts with physiologically acceptable acids and, when the compounds can be in the form of optical isomers, the racemic mixture and the individual enantiomers. The invention also relates to methods for their preparation, pharmaceutical compositions containing the novel compounds, and the use of the compounds for preparing drugs ##STR1##Field of SearchHydroxy, bonded directly to carbon, or ether containing (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)Piperidines Two aryl rings or aryl ring systems bonded directly to the same acyclic carbon The five-membered hetero ring consists of one nitrogen and four carbons Additional ring containing |
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