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Improved Process For The Preparation Of 7 Amino 3 Alkenyl 3 Cephem 4 Carboxylic Acid Compounds
Abstract: The present invention relates to an improved process for the preparation of 7-AVCA(1a)and for(Z)-isomer enriched 7-APCA(1b)by carrying out multi step reactions in one pot and utilizing sodium bromide in Wittig reaction.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
08 September 2004
Publication Number
17/2007
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2011-01-03
Renewal Date
Applicants
LUPIN LIMITED
159, CST ROAD, KALINA, SANTACRUZ(EAST), MUMBAI-400 098,
Inventors
1. TYAGI OM DUTT
LUPIN LTD. (RESEARCH PARK), 46A/47A, NANDE VILLAGE , TALUKA MULSHI, PUNE-411 042,
2. SRIVASTAVA TUSHAR KUMAR
LUPIN LTD. (RESEARCH PARK), 46A/47A, NANDE VILLAGE, TALUKA MULSHI, PUNE-411 042
3. NALAM VASANTH KUMAR
LUPIN LTD. (RESEARCH PARK), 46A/47A, NANDE VILLAGE, TALUKA MULSHI, PUNE-400 042, MAHARASHTRA, INDIA
4. CHAVAN YUVRAJ ATMARAM
LUPIN LTD.(RESEARCH PARK),6A/47A, NANDE VILLAGE, TALUKA MULSHI, PUNE-411 042
5. RANE DNYANDEV RAGHO
LUPIN LTD.(RESEARCH PARK), 46A/47A, NANDE VILLAGE, TALUKA MULSHI, PUNE-411 042
6. MANE NARENDRA DATTATREYA
LUPIN LTD.(RESEARCH PARK),46A/47A, NANDE VILLAGE, TTALUKA MULSHI, PUNE-411 042
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 961-MUM-2004-FORM 1(22-11-2004).pdf | 2004-11-22 |
| 2 | 961-MUM-2004-CORRESPONDENCE(17-12-2009).pdf | 2009-12-17 |
| 3 | 961-MUM-2004-SPECIFICATION(AMENDED)-(27-10-2010).pdf | 2010-10-27 |
| 4 | 961-MUM-2004-CORRESPONDENCE(27-10-2010).pdf | 2010-10-27 |
| 5 | 961-MUM-2004-CLAIMS(AMENDED)-(27-10-2010).pdf | 2010-10-27 |
| 6 | 961-mum-2004-cancelled pages(27-10-2010).pdf | 2010-10-27 |
| 7 | 961-MUM-2004-REPLY TO EXAMINATION REPORT(20-12-2010).pdf | 2010-12-20 |
| 8 | 961-MUM-2004-GENERAL POWER OF ATTORNEY(20-12-2010).pdf | 2010-12-20 |
| 9 | 961-MUM-2004-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-01-04-2011.pdf | 2011-04-01 |
| 10 | abstract1.jpg | 2018-08-09 |
| 11 | 961-MUM-2004_EXAMREPORT.pdf | 2018-08-09 |
| 12 | 961-mum-2004-other document(7-9-2005).pdf | 2018-08-09 |
| 13 | 961-MUM-2004-FORM 5(8-9-2005).pdf | 2018-08-09 |
| 14 | 961-mum-2004-form 5(8-9-2004).pdf | 2018-08-09 |
| 15 | 961-mum-2004-form 3(8-9-2004).pdf | 2018-08-09 |
| 16 | 961-mum-2004-form 2(title page)-(provisional)-(8-9-2004).pdf | 2018-08-09 |
| 17 | 961-mum-2004-form 2(title page)-(granted)-(3-1-2011).pdf | 2018-08-09 |
| 18 | 961-mum-2004-form 2(title page)-(complete)-(8-9-2005).pdf | 2018-08-09 |
| 19 | 961-mum-2004-form 2(provisional)-(8-9-2004).pdf | 2018-08-09 |
| 20 | 961-mum-2004-form 2(granted)-(3-1-2011).pdf | 2018-08-09 |
| 21 | 961-mum-2004-form 2(complete)-(8-9-2005).pdf | 2018-08-09 |
| 22 | 961-mum-2004-form 18(17-6-2008).pdf | 2018-08-09 |
| 23 | 961-MUM-2004-FORM 18 16-6-2008.pdf | 2018-08-09 |
| 24 | 961-mum-2004-form 1(8-9-2004).pdf | 2018-08-09 |
| 25 | 961-mum-2004-description(provisional)-(8-9-2004).pdf | 2018-08-09 |
| 26 | 961-mum-2004-description(granted)-(3-1-2011).pdf | 2018-08-09 |
| 27 | 961-mum-2004-description(complete)-(8-9-2005).pdf | 2018-08-09 |
| 28 | 961-mum-2004-correspondence(ipo)-(4-1-2001).pdf | 2018-08-09 |
| 29 | 961-mum-2004-correspondence(8-9-2005).pdf | 2018-08-09 |
| 30 | 961-MUM-2004-CORRESPONDENCE(20-5-2010).pdf | 2018-08-09 |
| 31 | 961-MUM-2004-CORRESPONDENCE(17-7-2009).pdf | 2018-08-09 |
| 32 | 961-MUM-2004-CORRESPONDENCE(17-3-2009).pdf | 2018-08-09 |
| 33 | 961-MUM-2004-CORRESPONDENCE 16-6-2008.pdf | 2018-08-09 |
| 34 | 961-mum-2004-claims(granted)-(3-1-2011).pdf | 2018-08-09 |
| 35 | 961-mum-2004-claims(8-9-2005).pdf | 2018-08-09 |
| 36 | 961-mum-2004-abstract(granted)-(3-1-2011).pdf | 2018-08-09 |
| 37 | 961-mum-2004-abstract(8-9-2005).pdf | 2018-08-09 |
| 38 | 245104- FORM 27- 2012.pdf | 2024-03-11 |