Patent · US Expired

Tamper-resistant oral opioid agonist formulations

US7658939B2 · kind B2 · utility

165Cited by

175References

24Claims

0Family size

Assignee

PURDUE PHARMA L.P. · US

Inventors

Benjamin Oshlack · Boca Raton, US
Curtis Wright · Gloucester, US
J. David Haddox · Upper Stepney, US

Key dates

Filing date	Nov 4, 2003
Grant date	Feb 9, 2010
Priority date	—
Expiry date	Feb 7, 2026

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed is an oral dosage form comprising (i) an opioid agonist in releasable form and (ii) a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact.

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