Cellulosic dosage form
US4946685A · kind A · utility
82Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1988 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Sep 1, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/209
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A bilaminate dosage form is disclosed comprising a first lamina and a second lamina with each lamina comprising a cellulose ether composition, and wherein a drug is present in at least one of the lamina. An optional coat is disclosed that surrounds the bilaminate form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.