"Process For The Preparation Of Clopidogrel Hydrogen Sulphate From 1"

Abstract: The present invention relates to a process for the preparation of Form 1 of (+)-(S)-α-(2-ChIorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetic acid methyl ester hydrogen sulphate commonly known as Clopidogrel bisulphate. The present invention further relates to a process for reducing the amount of methyl isobutyl ketone and controlling the amount of mesityl oxide in Clopidogrel hydrogen sulphate Form 1 by washing with ethyl acetate.

Patent Information

Application #

Filing Date

11 May 2011

Publication Number

14/2012

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

RANBAXY LABORATORIES LIMITED

12TH FLOOR, DEVIKA TOWER, 6, NEHRU PLACE, NEW DELHI-110019, INDIA

Inventors

1. SATISH KUMAR ARYAN

RANBAXY LABORATORIES LIMITED, PLOT NO. 20, SECTOR - 18, UDYOG VIHAR INDUSTRIAL AREA, GURGAON - 122001, HARYANA, INDIA

2. PARENDU DHIRAJLAL RATHOD

RANBAXY LABORATORIES LIMITED, PLOT NO. 20, SECTOR - 18, UDYOG VIHAR INDUSTRIAL AREA, GURGAON - 122001, HARYANA, INDIA

3. RAM CHANDER ARYAN

RANBAXY LABORATORIES LIMITED, PLOT NO. 20, SECTOR - 18, UDYOG VIHAR INDUSTRIAL AREA, GURGAON - 122001, HARYANA, INDIA

4. CHANDRA HAS KHANDRI

RANBAXY LABORATORIES LIMITED, PLOT NO. 20, SECTOR - 18, UDYOG VIHAR INDUSTRIAL AREA, GURGAON - 122001, HARYANA, INDIA

Specification

Documents

Application Documents

#	Name	Date
1	3511-delnp-2011-Abstract.pdf	2012-01-17
1	3511-delnp-2011-Form-2.pdf	2012-01-17
2	3511-delnp-2011-Claims.pdf	2012-01-17
2	3511-delnp-2011-Form-1.pdf	2012-01-17
3	3511-delnp-2011-Correspondence-others.pdf	2012-01-17
3	3511-delnp-2011-Description (Complete).pdf	2012-01-17
4	3511-delnp-2011-Correspondence-others.pdf	2012-01-17
4	3511-delnp-2011-Description (Complete).pdf	2012-01-17
5	3511-delnp-2011-Claims.pdf	2012-01-17
5	3511-delnp-2011-Form-1.pdf	2012-01-17
6	3511-delnp-2011-Abstract.pdf	2012-01-17
6	3511-delnp-2011-Form-2.pdf	2012-01-17