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. 30, 2018
Filed:
Apr. 08, 2013
Applicant:
Neuland Laboratories Limited, Hyderabad, IN;
Inventors:
Ponnaiah Ravi, Madurai, IN;
Praveenkumar Neela, Hyderabad, IN;
Batthini Guruswamy, Hyderabad, IN;
Sribhashyam Ravikanth, Hyderabad, IN;
Uppala Manikya Rao, Guntur, IN;
Assignee:
NEULAND LABORATORIES LIMITED, Hyderabad, IN;
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/16 (2006.01);
U.S. Cl.
CPC ...
C08B 37/0012 (2013.01);
Abstract
The present invention provides a process for the preparation of sugammadex sodium involving the step of: reacting 6-perdeoxy-6-per-halo-gamma-cyclodextrin with 3-mercapto propionic acid in the presence of alkali metal alkoxide in an organic solvents. The invention also provides a process for purifying the sugammadex or its pharmaceutically acceptable salts using water and organic solvents.