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Serving leading biopharmaceutical companies globally:

US Department of Justice
Express Scripts
Queensland Health
Farmers Insurance
Federal Trade Commission
Cantor Fitzgerald

Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,997,651

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Summary for Patent: 4,997,651

Title: Pharmaceutical formulations
Abstract:The present invention relates to a new two-component pharmaceutical formulation of melphalan in which the two components comprise (a) freeze-dried mephalan hydrochloride and (b) a solvent-diluent comprising a citrate, propylene glycol and ethanol. Substantially pure melphalan, substantially pure melphalan hydrochloride and methods for preparing them are also described.
Inventor(s): Poole; Stephen W. (Dartford, GB2), Stanley; Timothy P. (Dartford, GB2), Divall; Geoffrey (Dartford, GB2), Packham; Terence W. (Dartford, GB2), Knight; Joseph (Dartford, GB2)
Application Number:07/273,227
Patent Claim Types:
see list of patent claims
Formulation; Process;

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Foreign Priority and PCT Information for Patent: 4,997,651

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8727157Nov 19, 1987

International Patent Family for Patent: 4,997,651

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Greece3007287► Subscribe
United Kingdom8727157► Subscribe
Finland102275► Subscribe
European Patent Office0317281► Subscribe
Denmark172794► Subscribe
Finland885358► Subscribe
Finland90204► Subscribe
Finland924668► Subscribe
Spain2052745► Subscribe
Denmark646688► 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:

US Department of Justice
Farmers Insurance
Harvard Business School
Express Scripts

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