Methods of treating allergic reactions using hydrated forms of antihistaminic piperidine derivatives
US7666881B2 · kind B2 · utility
0Cited by
19References
1Claims
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Key dates
| Filing date | Sep 25, 2006 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | Sep 25, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is related to novel processes for preparing anhydrous and hydrated forms of piperidine derivatives, polymorphs and pseudomorphs thereof of the formulaswhich are useful as antihistamines, antiallergic agents and bronchodilators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.