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A Process For The Synthesis Of Letrozole
Abstract: The present invention discloses a process for preparation of 4-[1-(4-cyano phenyl)-1-(1,2,4-triazol-1-yl) methyl] benzonitrile, substantially free from its isomeric impurity.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
17 March 2006
Publication Number
29/2008
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Applicants
CIPLA LIMITED
289,BELLASIS ROAD,
MUMBAI CENTRAL,
MUMBAI 400 008,
Inventors
1. PATHI, SRINIVAS LAXMINARAYAN
2475/24,7th B Main
R P C Layout,Vijaynagar
Bangalore 560 040
2. KANKAN, RAJENDRA NARAYANRAO
A-3/5,N.B.D.Society
N.s.S.Road,Ghatkopar
Mumbai 400 084
3. RAO, DHARMARAJ RAMACHANDRA
4/403, Garden Enclave,
Pokhran Road 2,
Thane (W)
Mumbai 400 601
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 376-mum-2006-abstract(17-3-2006).pdf | 2018-08-09 |
| 1 | 376-MUM-2006-CORRESPONDENCE(14-10-2008).pdf | 2008-10-14 |
| 2 | 376-mum-2006-claims(17-3-2006).pdf | 2018-08-09 |
| 2 | 376-MUM-2006_EXAMREPORT.pdf | 2018-08-09 |
| 3 | 376-MUM-2006-REQUEST FOR WITHDRAWN(7-1-2013).pdf | 2018-08-09 |
| 3 | 376-MUM-2006-CORESSPONDENCE(IPO)-(23-8-2013).pdf | 2018-08-09 |
| 4 | 376-mum-2006-form 3(7-6-2007).pdf | 2018-08-09 |
| 4 | 376-mum-2006-correspondence(7-6-2007).pdf | 2018-08-09 |
| 5 | 376-mum-2006-form 3(17-3-2006).pdf | 2018-08-09 |
| 5 | 376-MUM-2006-CORRESPONDENCE(8-3-2010).pdf | 2018-08-09 |
| 6 | 376-mum-2006-form 26(17-3-2006).pdf | 2018-08-09 |
| 6 | 376-mum-2006-description(complete)-(17-3-2006).pdf | 2018-08-09 |
| 7 | 376-mum-2006-form 2(title page)-(17-3-2006).pdf | 2018-08-09 |
| 7 | 376-mum-2006-form 1(17-3-2006).pdf | 2018-08-09 |
| 8 | 376-mum-2006-form 1(3-4-2006).pdf | 2018-08-09 |
| 8 | 376-mum-2006-form 2(17-3-2006).pdf | 2018-08-09 |
| 9 | 376-MUM-2006-FORM 18(8-3-2010).pdf | 2018-08-09 |
| 10 | 376-mum-2006-form 2(17-3-2006).pdf | 2018-08-09 |
| 10 | 376-mum-2006-form 1(3-4-2006).pdf | 2018-08-09 |
| 11 | 376-mum-2006-form 2(title page)-(17-3-2006).pdf | 2018-08-09 |
| 11 | 376-mum-2006-form 1(17-3-2006).pdf | 2018-08-09 |
| 12 | 376-mum-2006-form 26(17-3-2006).pdf | 2018-08-09 |
| 12 | 376-mum-2006-description(complete)-(17-3-2006).pdf | 2018-08-09 |
| 13 | 376-mum-2006-form 3(17-3-2006).pdf | 2018-08-09 |
| 13 | 376-MUM-2006-CORRESPONDENCE(8-3-2010).pdf | 2018-08-09 |
| 14 | 376-mum-2006-form 3(7-6-2007).pdf | 2018-08-09 |
| 14 | 376-mum-2006-correspondence(7-6-2007).pdf | 2018-08-09 |
| 15 | 376-MUM-2006-REQUEST FOR WITHDRAWN(7-1-2013).pdf | 2018-08-09 |
| 15 | 376-MUM-2006-CORESSPONDENCE(IPO)-(23-8-2013).pdf | 2018-08-09 |
| 16 | 376-MUM-2006_EXAMREPORT.pdf | 2018-08-09 |
| 16 | 376-mum-2006-claims(17-3-2006).pdf | 2018-08-09 |
| 17 | 376-MUM-2006-CORRESPONDENCE(14-10-2008).pdf | 2008-10-14 |
| 17 | 376-mum-2006-abstract(17-3-2006).pdf | 2018-08-09 |