Patent · US Active

Polymorphic forms of naltrexone

US9980958B2 · kind B2 · utility

0Cited by

2References

4Claims

0Family size

Assignee

Alkermes Pharma Ireland Limited · IE

Inventors

Harry G. Brittain · Milford, US
David A. Dickason · Cincinnati, US
Joyce M. Hotz · Cincinnati, US
Shawn L. Lyons · Cincinnati, US
J. Michael Ramstack · Lebanon, US
Steven G. Wright · Madeira, US

Key dates

Filing date	Oct 26, 2017
Grant date	May 29, 2018
Priority date	—
Expiry date	Oct 26, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

This invention relates to the discovery of novel polymorphic forms of naltrexone, including solvates, hydrates, anhydrous and other crystalline forms and combinations thereof. These novel forms of naltrexone impart advantages in pharmaceutical formulations incorporating them, including sustained release, or long acting, formulations.

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