Patent · US Expired

Dosage form for delivering a drug at two different rates

US4915954A · kind A · utility

84Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 1989
Grant dateApr 10, 1990
Priority date
Expiry dateFeb 21, 2009

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.