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Serving leading biopharmaceutical companies globally:

Fish and Richardson
Queensland Health
Boehringer Ingelheim
Accenture
Johnson and Johnson
Novartis
McKinsey
US Army
Chinese Patent Office
Merck

Generated: January 20, 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 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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International Patents Family Members for US Patent 5,601,839

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 001721 ➤ Subscribe
Austria 205694 ➤ Subscribe
Australia 5446796 ➤ Subscribe
Australia 696777 ➤ Subscribe
Canada 2217888 ➤ Subscribe
China 100374161 ➤ Subscribe
China 1143688 ➤ Subscribe
China 1182358 ➤ Subscribe
China 1507918 ➤ Subscribe
China 1714867 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving leading biopharmaceutical companies globally:

US Department of Justice
Daiichi Sankyo
Mallinckrodt
Chubb
Colorcon
Covington
Chinese Patent Office
Farmers Insurance
Express Scripts

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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