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. 28, 2017
Filed:
Apr. 08, 2013
Applicant:
Neuland Laboratories Limited, Hyderabad, IN;
Inventors:
Ponnaiah Ravi, Madurai, IN;
Praveenkumar Neela, Hyderabad, IN;
Kashyap Ravindrabhai Wadekar, Ahmedabad, IN;
Kubireddy Vigneshwar Reddy, Hyderabad, IN;
Sampath Kumar Laxmalla, Hyderabad, IN;
Assignee:
NEULAND LABORATORIES LIMITED, Hyderabad, IN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 495/14 (2006.01); C07D 495/04 (2006.01); C07C 51/41 (2006.01);
U.S. Cl.
CPC ...
C07D 495/04 (2013.01); C07C 51/41 (2013.01);
Abstract
An improved process for preparation of Olanzapine pamoate monohydrate from Olanzpaine is disclosed which comprises mixing at room temperature a solution of olanzapine prepared in water in presence of an acid, with a solution of pamoic acid prepared in water in presence of a base; stirring and maintaining the reaction mixture for a sufficient time till precipitation of solid and drying the solid to obtain olazapine pamoate monohydrate.