Vehicle composition containing 1-substituted azacyclopentan-2-ones
Patent 4444762 Issued on April 24, 1984. Estimated Expiration Date: 
December 7, 2001. 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 7, 2001. 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 3085931 3551554 3891757 InventorAssigneeApplicationNo. 06/327999 filed on 12/07/1981US Classes:514/24, S-glycoside424/275.1, Allergen or component thereof (e.g., ragweed pollen, etc.)514/274, Chalcogen bonded directly to pyrimidine at 2-position514/29, The hetero ring has exactly 13 ring carbons (e.g., erythromycin, etc.)514/50, 2,4-diketone pyrimidine or derivative (e.g., uracil, etc.)514/947Topical applicationExaminersPrimary: Friedman, Stanley J.International ClassA61K 47/22 (20060101)AbstractCompositions useful for carrying physiologically active agents such as therapeutic agents through skin and other body membranes comprising the agent and an effective, non-toxic amount of a compound having the structural formula ##STR1## wherein R' is H or a lower alkyl group, m is 3-7, N is 0-17 and R is --CH3, phenyl or substituted phenyl or ##STR2## with the proviso that if m is 3 and R is --CH3, then n is not 0-6. | |
