Patent · US Expired

Dosage form comprising fast agent delivery followed by slow agent delivery

US4814181A · kind A · utility

68Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1987
Grant dateMar 21, 1989
Priority date
Expiry dateSep 3, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/0004
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A dosage form is disclosed comprising a wall that surrounds a compartment with an exit means in the wall. The compartment comprises a first or fast releasing lamina and a second or short releasing lamina that are delivered through the exit means over two different periods of time.

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