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Generated: April 27, 2017

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Details for Patent: 5,110,605

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Summary for Patent: 5,110,605

Title: Calcium polycarbophil-alginate controlled release composition and method
Abstract:A polymeric complex composition comprising a reaction complex formed by the interaction of a polycarbophil component with alginic acid or a salt thereof, said interaction being performed in the presence of a divalent cation and in the presence of an active agent selected from the group consisting of medicinal agents and cosmetic agents. There is also described a method of controlled release treatment comprising the steps of providing such a polymeric complex and an effective amount of an active agent selected from the group consisting of medicinal agents and cosmetic agents contained within said complex, and contacting an area of skin or mucous membrane to be treated with said composition for a sufficient period of time allow a therapeutically effective amount of said active agent to be released from the complex.
Inventor(s): Acharya; Ramesh N. (Lake Forest, IL)
Assignee: Oramed, Inc. (Mundelein, IL)
Application Number:07/570,340
Patent Claim Types:
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Composition; Use;

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International Patent Family for Patent: 5,110,605

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany69119217► Subscribe
Denmark0497956► Subscribe
European Patent Office0497956► Subscribe
Australia8444291► Subscribe
Austria137404► 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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