L-DOPA ethyl ester to treat Parkinson's disease
May 17, 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 References 3803120 Novel, transient pro-drug forms of l-dopa useful in the treatment of parkinson's disease Effervescent enteric coated L-dopa formulation and method of using the same Novel, transient pro-drug forms of L-DOPA to treat Parkinson's disease Rectally absorbable form of L-dopa Pharmaceutical compositions containing levodopa methyl ester, preparation and therapeutic applications thereof Method of treating parkinson's syndrome Patent #: 4916151 InventorsAssignee
ApplicationNo. 442888 filed on 05/17/1995US Classes:514/538Nitrogen bonded to carbon in Z moietyExaminersPrimary: Criares, Theodore J.Attorney, Agent or FirmForeign Patent References
International ClassA61K 031/24AbstractPatients suffering from Parkinson's disease are treated by administering a composition which contains an active ingredient and a pharmaceutically acceptable carrier. The active ingredient comprises L-DOPA ethyl ester in an amount which is at least 97% by weight of the active ingredient and L-DOPA in an amount which is less than 1% by weight of the active ingredient.Other References
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