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:
Aug. 11, 2009
Filed:
Feb. 01, 2007
Applicants:
Yanling Wang, Shanghai, CN;
Yuang Wang, Shanghai, CN;
Michael Brand, RaAnana, IL;
Joseph Kaspi, Givatayim, IL;
Inventors:
Yanling Wang, Shanghai, CN;
Yuang Wang, Shanghai, CN;
Michael Brand, RaAnana, IL;
Joseph Kaspi, Givatayim, IL;
Assignee:
Chemagis Ltd., Bnei-Brak, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 255/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a novel montelukast intermediate and a simple and straightforward process for preparing it. According to the present invention, by using this intermediate and the process, essentially as described herein, montelukast acid and salts thereof are obtained.