Title of Invention

IMPROVED PROCESS FOR THE PREPARATION OF RIVASTIGMINE

Abstract 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.
Full Text

Documents:

682-MUM-2004-ABSTRACT(20-6-2005).pdf

682-MUM-2004-ABSTRACT(25-6-2004).pdf

682-MUM-2004-ABSTRACT(GRANTED)-(24-8-2011).pdf

682-MUM-2004-CANCELLED PAGES(13-12-2010).pdf

682-MUM-2004-CLAIMS(20-6-2005).pdf

682-MUM-2004-CLAIMS(25-6-2004).pdf

682-mum-2004-claims(amended)-(13-12-2010).pdf.pdf

682-MUM-2004-CLAIMS(AMENDED)-(30-4-2010).pdf

682-MUM-2004-CLAIMS(GRANTED)-(24-8-2011).pdf

682-MUM-2004-CLAIMS(MARKED COPY)-(13-12-2010).pdf

682-MUM-2004-CLAIMS(MARKED COPY)-(30-4-2010).pdf

682-mum-2004-correspondance(received).pdf

682-MUM-2004-CORRESPONDENCE(19-11-2010).pdf

682-MUM-2004-CORRESPONDENCE(2-11-2010).pdf

682-MUM-2004-CORRESPONDENCE(2-6-2008).pdf

682-MUM-2004-CORRESPONDENCE(6-7-2011).pdf

682-MUM-2004-CORRESPONDENCE(IPO)-(11-4-2005).pdf

682-MUM-2004-CORRESPONDENCE(IPO)-(24-8-2011).pdf

682-MUM-2004-DESCRIPTION(COMPLETE)-(2-6-2008).pdf

682-MUM-2004-DESCRIPTION(COMPLETE)-(20-6-2005).pdf

682-MUM-2004-DESCRIPTION(GRANTED)-(24-8-2011).pdf

682-MUM-2004-DESCRIPTION(PROVISIONAL)-(25-6-2004).pdf

682-MUM-2004-FORM 1(25-6-2004).pdf

682-MUM-2004-FORM 18(2-6-2008).pdf

682-mum-2004-form 2(2-6-2008).pdf

682-mum-2004-form 2(25-6-2004).pdf

682-MUM-2004-FORM 2(COMPLETE)-(20-6-2005).pdf

682-MUM-2004-FORM 2(GRANTED)-(24-8-2011).pdf

682-MUM-2004-FORM 2(PROVISIONAL)-(25-6-2004).pdf

682-MUM-2004-FORM 2(TITLE PAGE)-(2-6-2008).pdf

682-MUM-2004-FORM 2(TITLE PAGE)-(25-6-2004).pdf

682-MUM-2004-FORM 2(TITLE PAGE)-(COMPLETE)-(20-6-2005).pdf

682-MUM-2004-FORM 2(TITLE PAGE)-(GRANTED)-(24-8-2011).pdf

682-MUM-2004-FORM 2(TITLE PAGE)-(PROVISIONAL)-(25-6-2004).pdf

682-MUM-2004-FORM 26(6-7-2011).pdf

682-MUM-2004-FORM 3(20-6-2005).pdf

682-MUM-2004-FORM 3(25-6-2004).pdf

682-MUM-2004-FORM 5(20-6-2005).pdf

682-MUM-2004-REPLY TO EXAMINATION REPORT(30-4-2010).pdf

682-MUM-2004-REPLY TO HEARING(13-12-2010).pdf


Patent Number 248778
Indian Patent Application Number 682/MUM/2004
PG Journal Number 34/2011
Publication Date 26-Aug-2011
Grant Date 24-Aug-2011
Date of Filing 25-Jun-2004
Name of Patentee TORRENT PHARMACEUTICALS LIMITED
Applicant Address TORRENT HOUSE, OFF. ASHRAM ROAD, NEAR DINESH HALL, AHMEDABAD 380009
Inventors:
# Inventor's Name Inventor's Address
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.
PCT International Classification Number A61K31/325
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA