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Generated: November 20, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,402,949

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Summary for Patent: 4,402,949

Title: Stable solutions of hydrogenated ergotalkaloids
Abstract:Stable solutions of (a) hydrogenated ergot alkaloids and (b) heparin as well as the salts thereof in a carrier medium comprising (c) water, (d) a mono- or poly-alcohol, and (e) urea or a pharmaceutically acceptable calcium or magnesium salt or ethylenediaminetetraacetic acid, and combinations thereof.
Inventor(s): Hartmann; Volker (Nuremberg, DE), Otto; Karl-Heinz (Kastl/Opf., DE), Patt; Ludwig (Nuremberg, DE)
Assignee: Sandoz Ltd. (Basel, CH)
Application Number:06/317,660
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form; Process;

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Foreign Priority and PCT Information for Patent: 4,402,949

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany2945636Nov 12, 1979

International Patent Family for Patent: 4,402,949

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria371997► Subscribe
AustriaA550480► Subscribe
Australia535357► Subscribe
Australia6426580► Subscribe
Belgium886008► Subscribe
Canada1165692► Subscribe
Switzerland650930► Subscribe
Cyprus1332► Subscribe
Germany2945636► Subscribe
Germany3068719► 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:

Fish and Richardson
US Army
Federal Trade Commission
Harvard Business School

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