Patent · US Active

Controlled-release floating pharmaceutical compositions

US9561179B2 · kind B2 · utility

35Cited by

5References

14Claims

0Family size

Assignee

Flamel Ireland Limited · IE

Inventors

Catherine Castan · Orliénas, FR
Philippe Caisse · Genas, FR

Key dates

Filing date	May 28, 2010
Grant date	Feb 7, 2017
Priority date	—
Expiry date	Mar 3, 2031

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.