Acyclovir antiviral gel composition
Patent 5585379 Issued on December 17, 1996. Estimated Expiration Date: 
December 28, 2013. 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.
December 28, 2013. 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 ReferencesPenetrating topical pharmaceutical compositions containing N-(2-hydroxyethyl) pyrrolidone Topical treatment of genital herpes lesions Patent #: 4956184 InventorsApplicationNo. 186259 filed on 12/28/1993US Classes:514/263.38, Chalcogen attached indirectly to the 9- position of the purine ring system by acyclic nonionic bonding424/677, Alkali or alkaline earth chloride (e.g., barium or lithium chloride, etc.)514/944, GEL514/946, PENETRANT OR ABSORBENT (ENHANCES PENETRATION INTO SUBJECT TREATED)514/947Topical applicationExaminersPrimary: Wilson, James O.Attorney, Agent or FirmForeign Patent References
International ClassA61K 031/52Foreign Application Priority Data1992-12-30 ILAbstractAn antiviral topical pharmaceutical composition for treating viral diseases of the skin or mucosa comprises a poorly soluble antiviral nucleoside derivative, dispersed in an aqueous gel carrier containing a gelling agent and a water-soluble carboxylic or dicarboxylic acid salt.Other References
Field of SearchPyrimidines (including hydrogenated) (e.g., cytosine, etc.)2,4-diketone pyrimidine or derivative (e.g., uracil, etc.) 1,3-diazines (e.g., pyrimidines, etc.) GEL PENETRANT OR ABSORBENT (ENHANCES PENETRATION INTO SUBJECT TREATED) Alkali or alkaline earth chloride (e.g., barium or lithium chloride, etc.) | |
