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:
Jul. 14, 2009
Filed:
Apr. 12, 2004
Jun-hong Chou, Blue Bell, PA (US);
Michael B. Gentzler, Wayne, PA (US);
James N. Michaels, Perkasie, PA (US);
Cynthia Bazin, Saint-Hubert, CA;
Sophie-dorothee Clas, Montreal, CA;
Chad Dalton, St-Lazare, CA;
Michael Guojie Wu, Edison, NJ (US);
Jun-Hong Chou, Blue Bell, PA (US);
Michael B. Gentzler, Wayne, PA (US);
James N. Michaels, Perkasie, PA (US);
Cynthia Bazin, Saint-Hubert, CA;
Sophie-Dorothee Clas, Montreal, CA;
Chad Dalton, St-Lazare, CA;
Michael Guojie Wu, Edison, NJ (US);
Merck & Co., Inc., Rahway, NJ (US);
Merck Frosst Canada & Co., Quebec, CA;
Abstract
The invention provides novel polymorphic form of montelukast sodium, as well as methods of using and pharmaceutical compositions containing saud novel form. Also provided are montelukast sodium: acetonitrile solvates, which are intermediates in the formation of crystalline montelukast sodium.