Patent · US Expired

Controlled release oral tablet having a unitary core

US6099859A · kind A · utility

85Cited by
45References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1998
Grant dateAug 8, 2000
Priority date
Expiry dateMar 20, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/2886
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A controlled release antihyperglycemic tablet that does not contain an expanding polymer and comprising a core containing the antihyperglycemic drug, a semipermeable membrane coating the core and at least one passageway in the membrane.

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