Pyridazino(4,5-b)(1,5)oxazepinone, -thiazepinone and -diazepinone compounds
US6602865B1 · kind B1 · utility
13Cited by
1References
7Claims
0Family size
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Key dates
| Filing date | Nov 15, 1999 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Nov 15, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pyridazino(4,5-b)(1,5)oxazepinone, thiazepinone and diazepinone compounds of formula(I) and their tautomers and the acid-addition salts of all these compounds show memory-enhancing and neuroprotective properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.