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Generated: November 22, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,515,805

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Summary for Patent: 4,515,805

Title: Soluble sodium cromoglycate compositions
Abstract:There is described a mixture of sodium cromoglycate of mass median diameter from 2 to 30 microns with a pharmaceutically acceptable water soluble carrier of sieve size from 200 to 1000 microns, the carrier having a solubility of greater than 1 to 5 by weight in water at 20.degree. C. The mixture is useful in the treament of conditions of the gastrointestinal tract.
Inventor(s): Newman; Peter M. (Keyworth, GB2), Jenkins; Anthony W. (Loughborough, GB2)
Assignee: Fisons plc (Ipswich, GB2)
Application Number:06/515,608
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form; Formulation; Process;

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Foreign Priority and PCT Information for Patent: 4,515,805

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8035457Nov 05, 1980

International Patent Family for Patent: 4,515,805

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia530962► Subscribe
Australia7712781► Subscribe
Belgium891013► Subscribe
Canada1166571► Subscribe
Switzerland650150► Subscribe
Germany3169714► Subscribe
European Patent Office0051207► Subscribe
France2493146► Subscribe
United Kingdom2086227► Subscribe
Greece76292► 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:

Harvard Business School
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