Lamina comprising carboxyvinyl polymer
US5023076A · kind A · utility
6Cited by
25References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1990 |
| Grant date | Jun 11, 1991 |
| Priority date | — |
| Expiry date | Mar 26, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/44
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dosage form is disclosed for delivering the beneficial drugs pseudoephedrine and brompheniramine to a biological environment of use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.