Composition comprising drug, HPC, HPMC and PEO
US4915952A · kind A · utility
32Cited by
21References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1989 |
| Grant date | Apr 10, 1990 |
| Priority date | — |
| Expiry date | Feb 15, 2009 |
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.