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Last Updated: April 26, 2024

Details for Patent: 5,023,252


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Summary for Patent: 5,023,252
Title: Transdermal and trans-membrane delivery of drugs
Abstract:The rate of absorption of drugs across skin and other body membranes such as mucous membranes and the blood brain barrier is enhanced by adding to the drug composition a compound which enhances the rate. This compound may be macrocyclic ester, diester, amide, diamide, amidine, diamidine, thioester, dithioester, thioamide, ketone or lactone. The macrocyclic ketone contains at least 12 carbon atoms.
Inventor(s): Hseih; Dean (Brandamore, PA)
Assignee: Conrex Pharmaceutical Corporation (Malvern, PA)
Application Number:07/449,117
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation;

Drugs Protected by US Patent 5,023,252

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 5,023,252

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 6738487 ⤷  Try a Trial
Canada 1312281 ⤷  Try a Trial
Switzerland 666813 ⤷  Try a Trial
Germany 3690626 ⤷  Try a Trial
Denmark 167343 ⤷  Try a Trial
Denmark 403187 ⤷  Try a Trial
European Patent Office 0248885 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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