Title of Invention

A PROCESS FOR THE PREPARATION OF A CRYSTALLINE FORM OF GEFITINIB

Abstract The present invention relates to a novel crystalline fonn of Gefitinib and a process for its Preparation thereof. Gefitinib is 4-(31-chloro-41-fluoro anilino)- 7-methoxy-6- (3-morpholino propoxy) quinazoline and has the structural formula-I The present invention is to provide a stable novel crystalline fonn of Gefitinib designated by us as Fonm-6, and a process for the preparation of the same. Gefitinib is useful in the treatment of a variety of solid tumors, especially non-small cell lung cancer and hematological malignancies.
Full Text

Documents:

150-CHE-2005 AMANDED PAGES OF SPECIFICATION 22-12-2009.pdf

150-che-2005 abstract-13-07-2009.pdf

150-CHE-2005 AMANDED CLAIMS 22-12-2009.pdf

150-che-2005 claims-13-07-2009.pdf

150-CHE-2005 CORRESPONDENCE OTHERS 18-03-2010.pdf

150-che-2005 correspondence others-13-07-2009.pdf

150-che-2005 correspondence others-25-06-2009.pdf

150-che-2005 description (complete)-13-07-2009.pdf

150-CHE-2005 EXAMINATION REPORT REPLY RECEIVED 22-12-2009.pdf

150-che-2005 pct search report.pdf

150-che-2005 pct.pdf

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Patent Number 242005
Indian Patent Application Number 150/CHE/2005
PG Journal Number 33/2010
Publication Date 13-Aug-2010
Grant Date 05-Aug-2010
Date of Filing 23-Feb-2005
Name of Patentee NATCO PHARMA LIMITED
Applicant Address NATCO HOUSE, ROAD NO.2, BANJARA HILLS, HYDERABAD-500 033
Inventors:
# Inventor's Name Inventor's Address
1 JYOTHI PRASAD RAMANADHAM NATCO PHARMA LIMITED, NATCO HOUSE, ROAD NO.2, BANJARA HILLS, HYDERABAD-500 033
2 VENKAIAH CHOWDARY NANNAPANENI NATCO PHARMA LIMITED, NATCO HOUSE, ROAD NO.2, BANJARA HILLS, HYDERABAD-500 033
PCT International Classification Number C07D 239/94
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA