Method and pharmaceutical preparation for treating chronic obstructive airway disease and cardiac disease, and intermediates for the preparation of therapeutically active xanthine derivatives
US4804664A · kind A · utility
18Cited by
0References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1981 |
| Grant date | Feb 14, 1989 |
| Priority date | — |
| Expiry date | Jun 12, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D473/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for the treatment of chronic obstructive airway disease or cardiac disease, characterized by the administration of a compound of the formula ##STR1## wherein R is n-propyl, n-butyl or isobutyl or a therapeutically acceptable salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.