Controlled-release floating pharmaceutical compositions
US10092511B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2016 |
| Grant date | Oct 9, 2018 |
| Priority date | — |
| Expiry date | Jul 1, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/403
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a pharmaceutical composition comprising a plurality of controlled-release coated microparticles each comprising a floating core, on the surface of which is deposited a layer containing at least one active principle, said layer being covered with a controlled-release coating, characterized by the fact that said floating core is composed of cellulose acetate phthalate and has an apparent density of less than or equal to 0.6 g/mL and said coated microparticles have a density of less than or equal to 0.7 g/mL.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.