(−)-Pseudoephedrine as a sympathomimetic drug
US6495529B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2001 |
| Grant date | Dec 17, 2002 |
| Priority date | — |
| Expiry date | Apr 16, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides pharmaceutical compositions which include (−)-pseudoephedrine and a pharmaceutically acceptable carrier, wherein the (−)-pseudoephedrine is substantially-free of (+)-pseudoephedrine. In another embodiment, the present invention provides methods of relieving nasal and bronchial congestion and of inducing pupil dilation which include administering a pharmaceutically effective amount of (−)-pseudoephedrine to a mammal. The (−)-pseudoephedrine used in the present methods is substantially free of (+)-pseudoephedrine and also substantially free of side effects caused by administration of (+)-pseudoephedrine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.