Patent · US Active

Delayed release tablet with defined core geometry

US8168218B2 · kind B2 · utility

11Cited by
9References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 2004
Grant dateMay 1, 2012
Priority date
Expiry dateMar 31, 2028

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P37/08
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A press-coated tablet comprising a core containing an drug substance, and a coating, the core being disposed within the coating such that the coating has a first thickness about an axis A-B and a thickness about an orthogonal axis X-Y, such that the coating about the axis X-Y is thicker than the coating about the axis A-B, and is adapted to provide a lag time of between about 2 to 6 hours during which substantially no drug substance is released.

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