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Serving 500+ biopharmaceutical companies globally:

Fuji
Medtronic
Colorcon
Fish and Richardson
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Healthtrust
Daiichi Sankyo
Queensland Health
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McKesson

Generated: September 21, 2017

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Title: Method and compositions for enhancing the cutaneous penetration of pharmacologically active agents
Abstract:Method and compositions for enhancing the cutaneous penetration of topically or transdermally delivered pharmacologically active agents. The compositions include various urethane compounds as permeation enhancers, the urethane compounds formed from reaction of a monomeric organic diisocyanate with a hydroxy- or hydroxy/alkoxy-terminated linear alkylene or polyalkylene glycol or polyether.
Inventor(s): Chess; Samuel (Newport Beach, CA), McCullough; Jerry L. (Irvine, CA), Weinstein; Gerald D. (Irvine, CA)
Assignee: The Regents of the University of California (Alameda, CA)
Application Number:07/408,757
Patent Claim Types:
see list of patent claims
Composition; Compound; Use;

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International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria115553► Subscribe
Canada1331861► Subscribe
Germany3852437► Subscribe
European Patent Office0299758► Subscribe
Spain2065912► Subscribe
Greece3015410► Subscribe
Ireland66710► Subscribe
Ireland882155► Subscribe
Israel87133► Subscribe
New Zealand225416► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving 500+ biopharmaceutical companies globally:

AstraZeneca
QuintilesIMS
Farmers Insurance
Queensland Health
Dow
Colorcon
Fish and Richardson
McKesson
US Army
Chinese Patent Office

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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