Skin permeation enhancer compositions
Patent 4568343 Issued on February 4, 1986. Estimated Expiration Date: 
October 9, 2004. 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.
October 9, 2004. 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 3472931 3527864 3598122 3598123 3896238 3903256 Dermatological compositions Dermatological compositions Dermatological compositions Dermatological compositions InventorsApplicationNo. 06/659121 filed on 10/09/1984US Classes:424/449, Transdermal or percutaneous514/552, Z contains an unbroken chain of at least seven carbon atoms bonded directly to the C(=O) group514/946, PENETRANT OR ABSORBENT (ENHANCES PENETRATION INTO SUBJECT TREATED)514/947Topical applicationExaminersPrimary: Metz, Andrew H.Assistant: Chapman, Terryence Attorney, Agent or FirmInternational ClassesA61K 9/70 (20060101)A61K 47/14 (20060101) AbstractA method for enhancing the transdermal flux of a transdermally deliverable drug through intact skin is described in which the drug is delivered simultaneously with polyethylene glycol monolaurate. Preferred embodiments of transdermal therapeutic systems for delivering drug and polyethylene glycol monolaurate employ matrix containing drug at a concentration above saturation.Other References
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