Tablet comprising a delayed release coating
US6350471B1 · kind B1 · utility
56Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 2000 |
| Grant date | Feb 26, 2002 |
| Priority date | — |
| Expiry date | May 31, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/663
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides a delayed release tablet, comprising: (i) a core comprising an active ingredient selected from the group consisting of oxybutynin hydrochloride, propranolol hydrochloride, buspiron hydrochloride, niacin, cetirizin hydrochloride, cerivastin sodium, metoprolol fumarate, and alendronate sodium., and conventional excipients; and (ii) a coating consisting essentially of a water-insoluble, water-permeable film- forming polymer, a plasticizer and a water-soluble polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.