Aqueous emulsion for pharmaceutical dosage form
US5019397A · kind A · utility
164Cited by
13References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1988 |
| Grant date | May 28, 1991 |
| Priority date | — |
| Expiry date | Apr 21, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2846
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dosage form is disclosed comprising a cured emulsion that coat that surrounds a drug. The emulsion comprises a lower alkyl acrylate-lower alkyl methacrylate copolymer and ethyl cellulose. The emulsion optionally comprises a hydrophilic polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.