Nitrogen-containing tricyclic compounds and drugs containing the same
US6703388B2 · kind B2 · utility
6Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2002 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Jul 25, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B57/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A phenothiazine, acridan, acridone oxime, acridone hydrazone and dibenzodiazepine derivative represented by formula (I) effective against diseases in which histamine, leukotrienes, etc. participate and effective in preventing or treating diseases in which chemical mediators such as histamine and leukotrienes participate, for example, asthma, allergic rhinitis, atopic dermatitis, urticaria, hay fever, gastrointestinal allergy and food allergy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.