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US Patent 5585379 - Acyclovir antiviral gel composition
US Patent Issued on December 17, 1996
Estimated Patent Expiration Date:
December 28, 2013Estimated 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.
Estimated Patent Expiration Date:
December 28, 2013Estimated 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.AbstractAn 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
| 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 applicationField of Search514/49, Pyrimidines (including hydrogenated) (e.g., cytosine, etc.)514/50, 2,4-diketone pyrimidine or derivative (e.g., uracil, etc.)514/256, 1,3-diazines (e.g., pyrimidines, etc.)514/944, GEL514/946, PENETRANT OR ABSORBENT (ENHANCES PENETRATION INTO SUBJECT TREATED)424/677Alkali or alkaline earth chloride (e.g., barium or lithium chloride, etc.)ExaminersPrimary: Wilson, James O.Attorney, Agent or FirmUS Patent References4537776, Penetrating topical pharmaceutical compositions containing N-(2-hydroxyethyl) pyrrolidoneIssued on: 08/27/1985 Inventor: Cooper4956184Topical treatment of genital herpes lesions Issued on: 09/11/1990 Inventor: Kross Foreign Patent References
International ClassA61K 031/52Foreign Application Priority Data1992-12-30 IL |
