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Serving hundreds of leading biopharmaceutical companies globally:

Healthtrust
Chinese Patent Office
Accenture
Harvard Business School
Colorcon
Medtronic
UBS
Cantor Fitzgerald
Boehringer Ingelheim

Generated: June 21, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,601,839

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Summary for Patent: 5,601,839
Title: Triacetin as a penetration enhancer for transdermal delivery of a basic drug
Abstract:A composition and method for enhancing transdermal penetration of a basic drug are described. The composition comprises a matrix patch comprising an effective amount of a basic drug, preferably having a pK.sub.a of about 8.0 or greater, an effective amount of penetration enhancer consisting essentially of triacetin, and a polymer later preferably comprising a pressure-sensitive adhesive. A preferred basic drug is oxybutynin and acid addition salts thereof. The method for enhancing transdermal penetration comprises applying the matrix patch to a selected area of skin.
Inventor(s): Quan; Danyi (Salt Lake City, UT), Deshpanday; Ninad A. (Salt Lake City, UT), Venkateshwaran; Srinivasan (Salt Lake City, UT), Ebert; Charles D. (Salt Lake City, UT)
Assignee: TheraTech, Inc. (Salt Lake City, UT)
Application Number:08/429,757
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 5,601,839
Patent Claim Types:
see list of patent claims
Use; Composition;

Drugs Protected by US Patent 5,601,839

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

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Serving hundreds of leading biopharmaceutical companies globally:

Covington
Julphar
Healthtrust
Moodys
US Army
Express Scripts
Daiichi Sankyo
Accenture
UBS

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