Controlled release compositions
US9622980B2 · kind B2 · utility
3Cited by
29References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2015 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Jul 10, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides controlled release oral dosage formulations containing one or more active agents, and methods of using same. In one aspect, the formulation is in the form of a trilayer tablet containing a core or central layer and one or more barrier layers. The core may contain one or more enteric materials or polymeric materials which modulates the release of the active agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.