Agent for improving dementia
Patent 5886023 Issued on March 23, 1999. Estimated Expiration Date: 
March 23, 2016. 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, 2016. 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 ReferencesPyrrolidinylalkylcarboxylic acid amide derivatives, their preparation and pharmaceutical compositions containing them Treatment for human memory impairment associated with aging Patent #: 4385053 InventorsAssigneeApplicationNo. 447054 filed on 05/22/1995US Classes:514/424Chalcogen bonded directly to the five-membered hetero ring by nonionic bondingExaminersPrimary: Henley, III, RaymondAttorney, Agent or FirmForeign Patent References
International ClassA61K 031/40Foreign Application Priority Data1991-05-02 JPAbstractThe present invention aims at providing a drug which is highly effective in improving decline of mental functions such as disorientation, which are the major symptoms of dementia such as Alzheimer type dementia or cerebrovascular dementia, as well as general side symptoms such as decreased spontaneity, contact disturbances, motivation, emotional disturbances, abnormal behaviors and disturbances in activity of daily living. The agent for improving dementia of the present invention comprises N-(2,6-dimethylphenyl)-2-(2-oxo-1-pyrrolidinyl)acetamide or a salt thereof as an active ingredient.Other References
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