Oral pulsed dose drug delivery system
US6605300B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2001 |
| Grant date | Aug 12, 2003 |
| Priority date | — |
| Expiry date | Jul 19, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A multiple pulsed dose drug delivery system for pharmaceutically active amphetamine salts, comprising an immediate-release component and an enteric delayed-release component wherein (1) the enteric release coating has a defined minimum thickness and/or (2) there is a protective layer between the pharmaceutically active amphetamine salt and the enteric release coating and/or (3) there is a protective layer over the enteric release coating. The product can be composed of either one or a number of beads in a dosage form, including either capsule, tablet, or sachet method for administering the beads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.