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Generated: November 20, 2017

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Details for Patent: 5,393,529

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Summary for Patent: 5,393,529

Title: Estrogen-containing active substance plaster
Abstract:The present invention relates to active substance plasters for the controlled release of active substances to the skin consisting of a backing layer, an adhesive film connected therewith which film is water-soluble and consists of pressure-sensitive adhesive which comprises water-swellable polymers and in which the active substance is at least partially soluble, and of a removable protective layer covering the adhesive film, in which plasters the pressure-sensitive adhesive is based on homo and/or copolymers with at least one derivative of the acrylic or methacrylic acid, and which comprise as active substances, partially or completely dissolved in the adhesive, at a concentration of 0.5 to 10.0%-wt estrogens and their pharmaceutically acceptable derivatives alone or in combination with gestagens.
Inventor(s): Hoffmann; Hans-Rainer (Neuwied, DE), Klein; Robert P. (Neuwied, DE), Meconi; Reinhold (Neuwied, DE), Cordes; Gunter (Leichingen, DE), Wolff; Hans M. (Monheim, DE)
Assignee: LTS Lohmann Therapie-Systeme GmbH & Co. KG (Neuweid, DE) Schwarz Pharma AG (Monheim, DE)
Application Number:08/074,698
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 5,393,529

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3933460Oct 06, 1989

International Patent Family for Patent: 5,393,529

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Hungary906356► Subscribe
Czech Republic282363► Subscribe
Germany3933460► Subscribe
Germany59009495► Subscribe
Denmark0421454► Subscribe
European Patent Office0421454► Subscribe
Spain2078929► Subscribe
Finland100380► Subscribe
Greece3017851► Subscribe
Greece3033662► 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:

Queensland Health
US Department of Justice
Express Scripts
Federal Trade Commission
Argus Health

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