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Generated: October 20, 2017
| Title: | Process and composition using ondansetron |
| Abstract: | The invention relates to a process for reducing the crystal size of ondansetron hydrochloride dihydrate produced by crystallisation from solvent to a size which is suitable for effective distribution in a tablet blend, in particular 100% less that 250 .mu.m. The ondansetron hydrochloride dihydrate is desolvated by drying at elevated temperature and reduced or atmospheric pressure and is then rehydrated. |
| Inventor(s): | Collin; David T. (Ware, GB2) |
| Assignee: | Glaxo Group Limited (London, GB2) |
| Application Number: | 08/005,736 |
|
Patent Claim Types: see list of patent claims | Compound; Dosage form; Process; Composition; |
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| United Kingdom | 89148043 | Jun 28, 1989 |
| Country | Document Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Canada | 2019944 | ► Subscribe | |||||||||||||
| Germany | 69011786 | ► Subscribe | |||||||||||||
| Denmark | 0415522 | ► Subscribe | |||||||||||||
| European Patent Office | 0415522 | ► Subscribe | |||||||||||||
| Spain | 2060045 | ► Subscribe | |||||||||||||
| United Kingdom | 8914804 | ► Subscribe | |||||||||||||
| Hong Kong | 44495 | ► Subscribe | |||||||||||||
| Hungary | T54140 | ► Subscribe | |||||||||||||
| Hungary | 904015 | ► Subscribe | |||||||||||||
| Australia | 5787490 | ► Subscribe | |||||||||||||
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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