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Improved Process For The Preparation Of Rivastigmine
The invention discloses an improved process for the preparation of (S)-N-Ethyl-N-methyl-3-[1-(dimethylamino)ethyl]-phenylcarbamate hydrogen (2R,3R)-tartarate, i.e.rivastigmine hydrogen tartarate.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
25 June 2004
Publication Number
24/2006
Publication Type
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2011-08-24
Renewal Date
Applicants
TORRENT PHARMACEUTICALS LIMITED
TORRENT HOUSE,
OFF. ASHRAM ROAD,
NEAR DINESH HALL,
AHMEDABAD 380009
Inventors
1. NAYAN RATILAL PAREKH
TORRENT PHARMACEUTICALS LIMITED,
TORRENT RESEARCH CENTRE,
P.O.BOX-382428,
DIST: GANDHINAGAR,
GUJARAT, INDIA.
2. DHANANJAY PANDIT PATIL
TORRENT PHARMACEUTICALS LIMITED,
TORRENT RESEARCH CENTRE,
P.O.BOX-382428,
GANDHINAGAR,
GUJARAT, INDIA.
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 682-MUM-2004-CORRESPONDENCE(19-11-2010).pdf | 2010-11-19 |
| 2 | 682-MUM-2004-REPLY TO HEARING(13-12-2010).pdf | 2010-12-13 |
| 3 | 682-MUM-2004-CLAIMS(MARKED COPY)-(13-12-2010).pdf | 2010-12-13 |
| 4 | 682-mum-2004-claims(amended)-(13-12-2010).pdf.pdf | 2010-12-13 |
| 5 | 682-MUM-2004-CANCELLED PAGES(13-12-2010).pdf | 2010-12-13 |
| 6 | 682-MUM-2004-REPLY TO EXAMINATION REPORT(30-4-2010).pdf | 2018-08-09 |
| 7 | 682-MUM-2004-FORM 5(20-6-2005).pdf | 2018-08-09 |
| 8 | 682-MUM-2004-FORM 3(25-6-2004).pdf | 2018-08-09 |
| 9 | 682-MUM-2004-FORM 3(20-6-2005).pdf | 2018-08-09 |
| 10 | 682-MUM-2004-FORM 26(6-7-2011).pdf | 2018-08-09 |
| 11 | 682-MUM-2004-FORM 2(TITLE PAGE)-(PROVISIONAL)-(25-6-2004).pdf | 2018-08-09 |
| 12 | 682-MUM-2004-FORM 2(TITLE PAGE)-(GRANTED)-(24-8-2011).pdf | 2018-08-09 |
| 13 | 682-MUM-2004-FORM 2(TITLE PAGE)-(COMPLETE)-(20-6-2005).pdf | 2018-08-09 |
| 14 | 682-MUM-2004-FORM 2(TITLE PAGE)-(25-6-2004).pdf | 2018-08-09 |
| 15 | 682-MUM-2004-FORM 2(TITLE PAGE)-(2-6-2008).pdf | 2018-08-09 |
| 16 | 682-MUM-2004-FORM 2(PROVISIONAL)-(25-6-2004).pdf | 2018-08-09 |
| 17 | 682-MUM-2004-FORM 2(GRANTED)-(24-8-2011).pdf | 2018-08-09 |
| 18 | 682-MUM-2004-FORM 2(COMPLETE)-(20-6-2005).pdf | 2018-08-09 |
| 19 | 682-mum-2004-form 2(25-6-2004).pdf | 2018-08-09 |
| 20 | 682-mum-2004-form 2(2-6-2008).pdf | 2018-08-09 |
| 21 | 682-MUM-2004-FORM 18(2-6-2008).pdf | 2018-08-09 |
| 22 | 682-MUM-2004-FORM 1(25-6-2004).pdf | 2018-08-09 |
| 23 | 682-MUM-2004-DESCRIPTION(PROVISIONAL)-(25-6-2004).pdf | 2018-08-09 |
| 24 | 682-MUM-2004-DESCRIPTION(GRANTED)-(24-8-2011).pdf | 2018-08-09 |
| 25 | 682-MUM-2004-DESCRIPTION(COMPLETE)-(20-6-2005).pdf | 2018-08-09 |
| 26 | 682-MUM-2004-DESCRIPTION(COMPLETE)-(2-6-2008).pdf | 2018-08-09 |
| 27 | 682-MUM-2004-CORRESPONDENCE(IPO)-(24-8-2011).pdf | 2018-08-09 |
| 28 | 682-MUM-2004-CORRESPONDENCE(IPO)-(11-4-2005).pdf | 2018-08-09 |
| 29 | 682-MUM-2004-CORRESPONDENCE(6-7-2011).pdf | 2018-08-09 |
| 30 | 682-MUM-2004-CORRESPONDENCE(2-6-2008).pdf | 2018-08-09 |
| 31 | 682-MUM-2004-CORRESPONDENCE(2-11-2010).pdf | 2018-08-09 |
| 32 | 682-mum-2004-correspondance(received).pdf | 2018-08-09 |
| 33 | 682-MUM-2004-CLAIMS(MARKED COPY)-(30-4-2010).pdf | 2018-08-09 |
| 34 | 682-MUM-2004-CLAIMS(GRANTED)-(24-8-2011).pdf | 2018-08-09 |
| 35 | 682-MUM-2004-CLAIMS(AMENDED)-(30-4-2010).pdf | 2018-08-09 |
| 36 | 682-MUM-2004-CLAIMS(25-6-2004).pdf | 2018-08-09 |
| 37 | 682-MUM-2004-CLAIMS(20-6-2005).pdf | 2018-08-09 |
| 38 | 682-MUM-2004-ABSTRACT(GRANTED)-(24-8-2011).pdf | 2018-08-09 |
| 39 | 682-MUM-2004-ABSTRACT(25-6-2004).pdf | 2018-08-09 |
| 40 | 682-MUM-2004-ABSTRACT(20-6-2005).pdf | 2018-08-09 |