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Serving leading biopharmaceutical companies globally:

Queensland Health
Farmers Insurance
Boehringer Ingelheim

Generated: December 11, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,676,968

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Summary for Patent: 5,676,968

Title: Transdermal therapeutic systems with crystallization inhibitors
Abstract:A transdermal therapeutic system is described, which is characterized in that it contains a crystallization inhibitor and optionally penetration enhancer in an active ingredient-containing adhesive matrix.
Inventor(s): Lipp; Ralph (Berlin, DE), Riedl; Jutta (Berlin, DE), Tack; Johannes (Berlin, DE)
Assignee: Schering Aktiengesellschaft (Berlin, DE)
Application Number:08/433,557
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 5,676,968

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany41 36 057.5Oct 31, 1991
Germany42 10 711.3Mar 27, 1992

International Patent Family for Patent: 5,676,968

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia2895392► Subscribe
Canada2120599► Subscribe
Germany4210711► Subscribe
Germany59208918► Subscribe
Denmark0610357► Subscribe
European Patent Office0610357► Subscribe
Spain2106888► Subscribe
Finland942011► Subscribe
Australia712692► Subscribe
Finland110061► 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 leading biopharmaceutical companies globally:

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