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|Title:||Articles for carrying chemicals|
|Abstract:||The invention relates to shaped articles carrying chemicals, particular to pharmaceutical dosage forms carrying pharmaceuticals, which disintegrate rapidly in water. The shaped articles comprise an open matrix network of carrier material carrying the chemical. The articles may be prepared by subliming solvent from a composition comprising the chemical and a solution of the carrier material in a solvent, the composition being in the solid state in a mould.|
|Inventor(s):||Gregory; George K. E. (Marlow, GB2), Peach; James M. (High Wycombe, GB2), Du Mayne; James D. (Maidenhead, GB2)|
|Assignee:||John Wyeth & Brother Limited (Maidenhead, GB2)|
Patent Claim Types:|
see list of patent claims
|Composition; Compound; Dosage form; Process; Use;|
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|United Kingdom||41483/77||Oct 06, 1976|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
| This preview shows a limited data set|
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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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