The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 01, 2019
Filed:
Apr. 24, 2018
Applicant:
Alkermes Pharma Ireland Limited, Dublin, IE;
Inventors:
Harry G. Brittain, Milford, NJ (US);
David A. Dickason, Cincinnati, OH (US);
Joyce M. Hotz, Cincinnati, OH (US);
Shawn L. Lyons, Cincinnati, OH (US);
J. Michael Ramstack, Lunenburg, MA (US);
Steven G. Wright, Madeira, OH (US);
Assignee:
Alkermes Pharma Ireland Limited, Dublin, IE;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/485 (2006.01); C07D 489/08 (2006.01); C07D 489/06 (2006.01); C07C 19/03 (2006.01);
U.S. Cl.
CPC ...
A61K 31/485 (2013.01); C07C 19/03 (2013.01); C07D 489/06 (2013.01); C07D 489/08 (2013.01); C07B 2200/13 (2013.01);
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.