Pharmaceutical formulations
US5409711A · kind A · utility
87Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1991 |
| Grant date | Apr 25, 1995 |
| Priority date | — |
| Expiry date | Dec 11, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2081
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The taste of orally administered drugs is masked by coating the drug with a polymeric membrane which is soluble only at a pH of 5 or more. An acid substance is included in the formulation containing the coated drug to reduce or prevent the dissolution of the membrane in the oral cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.