Antihistaminic spiro compounds
US7148214B1 · kind B1 · utility
21Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1999 |
| Grant date | Dec 12, 2006 |
| Priority date | — |
| Expiry date | Dec 15, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention concerns the compounds of formula or a prodrug, a N-oxide, an addition salt, a quaternary amine or a stereochemically isomeric form thereof wherein R1, R2, —A—B—, L, and n have the meaning given in the description. The invention relates to preparations and compositions of the present compounds and their use as medicines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.