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:
May. 22, 2012
Filed:
Jul. 20, 2010
Mark Tawa, Brighton, MA (US);
Örn Almarsson, Shrewsbury, MA (US);
Julius Remenar, Framingham, MA (US);
Mark Tawa, Brighton, MA (US);
Örn Almarsson, Shrewsbury, MA (US);
Julius Remenar, Framingham, MA (US);
McNeil-PPC, Inc., Skillman, NJ (US);
Abstract
The invention relates to pharmaceutical compositions comprising propylene glycol solvates of APIs. In particular a 2:1 complex of naproxen sodium to propylene glycol is disclosed which is a crystalline solid. The complex is prepared by crystallization of a mixture of naproxen sodium and propylene glycol from diethyl ether. It is identifiable by its X-ray powder diffraction pattern described herein.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile