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Serving leading biopharmaceutical companies globally:

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Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,305,502

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Summary for Patent: 4,305,502

Title: Pharmaceutical dosage form packges
Abstract:The invention relates to packages containing shaped articles carrying chemicals, particularly to pharmaceutical dosage forms carrying pharmaceuticals. The shaped articles, which disintegrate rapidly in water are contained in depressions in sheets of filmic material and are enclosed by a covering sheet adhering to the filmic material. The shaped articles may be formed in the depressions by a sublimation process.
Inventor(s): Gregory; George K. E. (Marlow, GB2), Ho; David S. S. (Maidenhead, GB2)
Assignee: John Wyeth & Brother Limited (Maidenhead, GB2)
Application Number:05/925,002
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Process;

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Foreign Priority and PCT Information for Patent: 4,305,502

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom30399/77Jul 20, 1977

International Patent Family for Patent: 4,305,502

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia513845► Subscribe
Australia2882577► Subscribe
Belgium859291► Subscribe
Canada1083042► Subscribe
Canada1097233► Subscribe
Switzerland633717► Subscribe
Cyprus1129► Subscribe
Germany2744493► Subscribe
France2366835► Subscribe
United Kingdom1548022► 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 Army
Fish and Richardson
Express Scripts

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