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Details for Patent: 5,550,165

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Summary for Patent: 5,550,165

Title: Pharmaceutical compositions for the treatment of hereditary tyosinemia type I
Abstract:The invention concerns novel pharmaceutical compositions containing as an active ingredient a 2-benzoyl-1,3-cyclohexanedione which is an inhibitor of the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD). The compositions are valuable in the treating those disorders and diseases in which it is desirable to intervene in the metabolic sequences catalysed by HPPD, such as in treating tyrosinemia type I.
Inventor(s): Ellis; Martin K. (Macclesfield, GB2), Lindstedt; Sven T. (Lund, SE), Lock; Edward A. (Wilmslow, GB2), Markstedt; Maj E. H. (Billdal, SE), Mutter; Linda C. (Bloomfield, CA), Prisbylla; Michael P. (Richmond, CA)
Assignee: Zeneca Limited (London, GB2)
Application Number:08/359,361
Patent Claim Types:
see list of patent claims
Use; Composition; Compound; Formulation; Dosage form;

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Foreign Priority and PCT Information for Patent: 5,550,165

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9113622Jun 24, 1991
United Kingdom9206412Mar 24, 1992

International Patent Family for Patent: 5,550,165

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria178207► Subscribe
Australia1986092► Subscribe
Australia672361► Subscribe
Canada2072047► Subscribe
Germany122005000032► 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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