Patent · US Active

Use of a mixture of two or more enteric materials to regulate drug release via membrane or matrix for systemic therapeutics

US7910128B2 · kind B2 · utility

39Cited by

4References

27Claims

0Family size

Assignee

Supernus Pharmaceuticals, Inc. · US

Inventors

Rong-Kun Chang · Rockville, US
Niraj Shah · Issaquah, US

Key dates

Filing date	Jan 5, 2004
Grant date	Mar 22, 2011
Priority date	—
Expiry date	Sep 12, 2026

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/5078
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are pharmaceutical compositions, particularly oral dosage forms, which comprise two or more enteric coating materials, either as a coating or as part of a matrix dosage form, and methods of making and using the same. The compositions are characterized by having a sustained release profile at lower pH and an accelerated dissolution profile at higher pH.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.