Patent · US Active

Oral formulations and lipophilic salts of methylnaltrexone

US8524276B2 · kind B2 · utility

9Cited by

4References

27Claims

0Family size

Assignee

Wyeth, LLC · US

Inventors

Syed M. Shah · Delray Beach, US
Christopher Diorio · Campbell Hall, US
Eric C. Ehrnsperger · New City, US
Xu Meng · Wilmington, US
Kadum A. Al Shareffi · Greensboro, US
Jonathan Marc Cohen · Rochester, US

Key dates

Filing date	Mar 10, 2011
Grant date	Sep 3, 2013
Priority date	—
Expiry date	Mar 10, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D489/08
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention provides compositions comprising methylnaltrexone or a salt thereof, and compositions and formulations thereof, for oral administration.

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