Pseudoephedrine dosage form
US4801461A · kind A · utility
49Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1987 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Jan 28, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dosage form is disclosed for delivering the beneficial drug pseudoephedrine to a biological environment of use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.