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|Title:||Controlled release beads having glass or silicon dioxide core|
|Abstract:||Controlled release preparation containing a number of insoluble beads applied with one or more pharmaceutically active compounds, a method for the production thereof and the use in a treatment where a controlled release of a pharmaceutically active compound is needed.|
|Inventor(s):||Dahlinder; Lars-Erik D. (Molndal, SE), Johansson; Mats O. (Goteborg, SE), Sandberg; John A. (Molndal, SE), Sjo (Monlycke, SE)|
|Assignee:||Aktiebolaget Hassle (Molndal, SE)|
Patent Claim Types:|
see list of patent claims
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|Sweden||8504720||Oct 11, 1985|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Iceland||1529||<disabled in preview>|
|Denmark||478186||<disabled in preview>|
|Denmark||165939||<disabled in preview>|
| 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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