Non-sedating diphenhydramine metabolites
US6372799B1 · kind B1 · utility
6Cited by
0References
18Claims
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Assignee
Inventor
Key dates
| Filing date | Feb 8, 2001 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Feb 8, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/522
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are N-substituted metabolites of diphenhydramine, which have been found to be potent and orally active antihistaminic compounds that are devoid of sedative side effects. Phamaceutically acceptable salts of the compounds, a complex with 8-chlorotheo-phylline, therapeutic use and compositions containing the compounds are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.