Catechol derivatives, and preventive and remedial preparations for regressive disorders in the central nervous system containing the same
Patent 5214034 Issued on May 25, 1993. Estimated Expiration Date: December 3, 2011. 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.
514/159, Ortho-hydroxybenzoic acid (i.e., salicyclic acid) or derivative DOAI514/533Compound contains two or more C(=O)O groups indirectly bonded together by only conalent bonds
Catechol derivatives which relate to the production of nerve growth factor in particular tissues of brain are disclosed.Methods for the synthesis, data on the physiological activity, and data on the toxicity of these derivatives as well as examples of preparation for their administration are also disclosed.The disclosed derivatives provide preventive and remedial effect for regressive disorders in the central nervous system including senile dementia of Alzheimer type.
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December 3, 2011. 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.
