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:
Mar. 01, 2016
Filed:
May. 24, 2012
Applicants:
Bandi Parthasaradhi Reddy, Hyderabad, IN;
Kura Rathnakar Reddy, Hyderabad, IN;
Dasari Muralidhara Reddy, Hyderabad, IN;
Bandi Vamsi Krishna, Hyderabad, IN;
Inventors:
Bandi Parthasaradhi Reddy, Hyderabad, IN;
Kura Rathnakar Reddy, Hyderabad, IN;
Dasari Muralidhara Reddy, Hyderabad, IN;
Bandi Vamsi Krishna, Hyderabad, IN;
Assignee:
Hetero Research Foundation, , IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 235/16 (2006.01); C07D 513/04 (2006.01);
U.S. Cl.
CPC ...
C07D 235/16 (2013.01); C07D 513/04 (2013.01);
Abstract
The present invention provides a process for the preparation of 1H-benzimidazol-1-methyl-5-N,N-di(2-hydroxyethyl)-2-butanoic acid ethyl ester. The present invention also provides a process for the preparation of bendamustine hydrochloride. The present invention further provides a process for the purification of bendamustine hydrochloride.