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Serving 500+ biopharmaceutical companies globally:

Chinese Patent Office
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Generated: September 23, 2017

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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:
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Use; Composition; Formulation;

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International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia6738487► Subscribe
Canada1312281► Subscribe
Switzerland666813► Subscribe
Germany3690626► Subscribe
Denmark167343► Subscribe
Denmark403187► Subscribe
European Patent Office0248885► Subscribe
Finland873328► Subscribe
United Kingdom2192134► Subscribe
United Kingdom8718404► 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:

Argus Health
McKinsey
Citi
Farmers Insurance
Chinese Patent Office
Healthtrust
AstraZeneca
Teva
US Department of Justice
Fuji

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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