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Details for Patent: 5,834,448

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Patent 5,834,448 protects CYANOKIT and is included in one NDA.

This patent has twelve patent family members in nine countries.

Summary for Patent: 5,834,448

Title: Dosage form of hydroxocobalamin and its use in cyanide poisoning
Abstract:The invention relates to a new dosage form of hydroxocobalamin which serves in the treatment of cyanide poisoning and contains hydroxocobalamin in freeze-dried form. The hydroxocobalamin is freeze-dried in an acidic medium so as to be practically instantly redissolved in a neutral saline solution. The present invention also relates to a process for producing hydroxocobalamin-based pharmaceutical compositions as well as to first aid kits containing these compositions and methods of using such kits for the treatment of cyanide poisoning.
Inventor(s): Pouchol; Gerard (Paris, FR), Bonhomme; Yves (Charbonnieres, FR), Poulain; Marie-Laure (St-Cyr-En-Val, FR), Duran; Michel (St-Cyr-Au-Mont-d'or, FR)
Assignee: Merck Patent Gesellschaft mit beschrankter Haftung (DE)
Application Number:08/748,790
Patent Claim Types:
see list of patent claims
Composition; Formulation; Process; Use; Device;
Patent Metrics:
Source: PatentQuant.com
Field: Basic materials chemistry
Back Citations: 0th percentile
Forward Citations: 2nd percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Serb Sa
Serb Sa
INJECTABLE;INJECTION022041-001Apr 8, 2011RXYes5,834,448Nov 14, 2016Y
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Foreign Priority and PCT Information for Patent: 5,834,448

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France95 13512Nov 15, 1995

International Patent Family for Patent: 5,834,448

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia7172096<disabled in preview>
Australia720219<disabled in preview>
Germany69619767<disabled in preview>
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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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