Rectally absorbable form of L-dopa
Patent 4771073 Issued on September 13, 1988. Estimated Expiration Date: 
April 17, 2007. 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 17, 2007. 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.InventorAssigneeApplicationNo. 07/039406 filed on 04/17/1987US Classes:514/535, The nitrogen of the Z radical is directly bonded to a benzene ring which is directly bonded to the C(=O) group514/561, Nitrogen other than as nitro or nitroso nonionically bonded514/565N-N or N=C(-N)-N containing (e.g., hydrazines, hydrazones, or quanidines, etc.)ExaminersPrimary: Friedman, Stanley J.Attorney, Agent or FirmInternational ClassesA61K 9/00 (20060101)A61K 9/02 (20060101) A61K 31/215 (20060101) A61K 31/185 (20060101) A61K 31/21 (20060101) A61K 31/195 (20060101) AbstractThe invention relates to compositions and methods of enhancing rectal absorption of L-dopa via the formation of an ester prodrug and optionally with a decarboxylase inhibitor.Other References
Field of SearchThe additional hetero ring is one of the cyclos in a polycyclo ring systemThe nitrogen of the Z radical is directly bonded to a benzene ring which is directly bonded to the C(=O) group Nitrogen other than as nitro or nitroso nonionically bonded N-N or N=C(-N)-N containing (e.g., hydrazines, hydrazones, or quanidines, etc.) | |
