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Rapid Resolution Process Of Clopidogrel Base And A Process For Preparation Of Clopidogrel Bisulphate Polymorph Form 1
Abstract: The present invention discloses a rapid resolution process of racemic clopidogrel base followed by conversion of the resolved (S) isomer to crystalline Clopidogrel bisulfate Form I. The invention also discloses novel racemization process of the unwanted (R) isomer of clopidogrel base. The invention further discloses an improved process for preparation of acid addition salts of clopidogrel.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
20 November 2006
Publication Number
20/2007
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2009-01-13
Renewal Date
Applicants
USV LIMITED
B.S.D. Marg Govandi,
Mumbai-400 088,
Inventors
1. Tarur, Radhakrishnan Venkatasubramanian
A-301, Vaishali Towers,
B.R. Road,
Mulund (w)
Mumbai 400 080
2. Sathe, Dhananjay Govind
202/A-1 Golden Park
L. B. S. Marg, Panchpakhadi
Thane 400 602
3. Sawant Kamlesh Digambar
4/4, N.S.E. Building, Worli
Village, Mumbai 400 030
4. Mondkar, Harish Kashinath
5, Samanth Blocks, Cama Road,
Andheri(W) Mumbai 400 058
5. Deshpande, Manoj Madhukarrao
Indrayani Niwas Bank Colony,
Near Telephone Bhavan
Talegaon Road, Ahmedpur
Latur 413 515
6. Naik Anil Tushar
29-A Auditor Colony
Vidyanagari, Deopur
Dist. Dhule
Specification
N/A
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1396-MUMNP-2006-ABSTRACT(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 1 | 1396-mumnp-2006-form 5(20-11-2006).pdf | 2006-11-20 |
| 2 | 1396-mumnp-2006-abstract.doc | 2018-08-09 |
| 2 | 1396-mumnp-2006-form 3(20-11-2006).pdf | 2006-11-20 |
| 3 | 1396-mumnp-2006-form 1(20-11-2006).pdf | 2006-11-20 |
| 3 | 1396-mumnp-2006-abstract.pdf | 2018-08-09 |
| 4 | 1396-mumnp-2006-form-pct-isa-210(24-11-2006).pdf | 2006-11-24 |
| 4 | 1396-MUMNP-2006-CLAIMS(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 5 | 1396-mumnp-2006-form 2(granted)-(24-11-2006).pdf | 2006-11-24 |
| 6 | 1396-mumnp-2006-form 18(24-11-2006).pdf | 2006-11-24 |
| 6 | 1396-mumnp-2006-claims.pdf | 2018-08-09 |
| 7 | 1396-mumnp-2006-form 1(24-11-2006).pdf | 2006-11-24 |
| 7 | 1396-mumnp-2006-correspondance-received.pdf | 2018-08-09 |
| 8 | 1396-MUMNP-2006-CORRESPONDENCE(IPO)-(13-2-2009).pdf | 2018-08-09 |
| 8 | 1396-mumnp-2006-claims(granted)(24-11-2006).pdf | 2006-11-24 |
| 9 | 1396-mumnp-2006-cancelled pages(24-11-2006).pdf | 2006-11-24 |
| 9 | 1396-mumnp-2006-description (complete).pdf | 2018-08-09 |
| 10 | 1396-MUMNP-2006-DESCRIPTION(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 10 | 1396-mumnp-2006-form 3(17-10-2008).pdf | 2008-10-17 |
| 11 | 1396-mumnp-2006-correspondence(20-10-2008).pdf | 2008-10-20 |
| 11 | 1396-MUMNP-2006-DRAWING(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 12 | 1396-mumnp-2006-correspondence(ipo)-(13-01-2009).pdf | 2009-01-13 |
| 12 | 1396-MUMNP-2006-FORM 2(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 13 | 1396-MUMNP-2006-FORM 2(TITLE PAGE)-(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 13 | 1396-mumnp-2006-pct-search report.pdf | 2018-08-09 |
| 14 | 1396-mumnp-2006-form-1.pdf | 2018-08-09 |
| 14 | 1396-mumnp-2006-form-pct-ro-101.pdf | 2018-08-09 |
| 15 | 1396-mumnp-2006-form-pct-isa-237.pdf | 2018-08-09 |
| 16 | 1396-mumnp-2006-form-2.pdf | 2018-08-09 |
| 16 | 1396-mumnp-2006-form-pct-isa-210.pdf | 2018-08-09 |
| 17 | 1396-mumnp-2006-form-5.pdf | 2018-08-09 |
| 17 | 1396-mumnp-2006-form-3.pdf | 2018-08-09 |
| 18 | 1396-mumnp-2006-form-3.pdf | 2018-08-09 |
| 18 | 1396-mumnp-2006-form-5.pdf | 2018-08-09 |
| 19 | 1396-mumnp-2006-form-2.pdf | 2018-08-09 |
| 19 | 1396-mumnp-2006-form-pct-isa-210.pdf | 2018-08-09 |
| 20 | 1396-mumnp-2006-form-pct-isa-237.pdf | 2018-08-09 |
| 21 | 1396-mumnp-2006-form-1.pdf | 2018-08-09 |
| 21 | 1396-mumnp-2006-form-pct-ro-101.pdf | 2018-08-09 |
| 22 | 1396-MUMNP-2006-FORM 2(TITLE PAGE)-(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 22 | 1396-mumnp-2006-pct-search report.pdf | 2018-08-09 |
| 23 | 1396-mumnp-2006-correspondence(ipo)-(13-01-2009).pdf | 2009-01-13 |
| 23 | 1396-MUMNP-2006-FORM 2(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 24 | 1396-MUMNP-2006-DRAWING(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 24 | 1396-mumnp-2006-correspondence(20-10-2008).pdf | 2008-10-20 |
| 25 | 1396-MUMNP-2006-DESCRIPTION(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 25 | 1396-mumnp-2006-form 3(17-10-2008).pdf | 2008-10-17 |
| 26 | 1396-mumnp-2006-cancelled pages(24-11-2006).pdf | 2006-11-24 |
| 26 | 1396-mumnp-2006-description (complete).pdf | 2018-08-09 |
| 27 | 1396-mumnp-2006-claims(granted)(24-11-2006).pdf | 2006-11-24 |
| 27 | 1396-MUMNP-2006-CORRESPONDENCE(IPO)-(13-2-2009).pdf | 2018-08-09 |
| 28 | 1396-mumnp-2006-correspondance-received.pdf | 2018-08-09 |
| 28 | 1396-mumnp-2006-form 1(24-11-2006).pdf | 2006-11-24 |
| 29 | 1396-mumnp-2006-claims.pdf | 2018-08-09 |
| 29 | 1396-mumnp-2006-form 18(24-11-2006).pdf | 2006-11-24 |
| 30 | 1396-mumnp-2006-form 2(granted)-(24-11-2006).pdf | 2006-11-24 |
| 31 | 1396-mumnp-2006-form-pct-isa-210(24-11-2006).pdf | 2006-11-24 |
| 31 | 1396-MUMNP-2006-CLAIMS(GRANTED)-(13-1-2009).pdf | 2018-08-09 |
| 32 | 1396-mumnp-2006-form 1(20-11-2006).pdf | 2006-11-20 |
| 32 | 1396-mumnp-2006-abstract.pdf | 2018-08-09 |
| 33 | 1396-mumnp-2006-form 3(20-11-2006).pdf | 2006-11-20 |
| 34 | 1396-mumnp-2006-form 5(20-11-2006).pdf | 2006-11-20 |
| 34 | 1396-MUMNP-2006-ABSTRACT(GRANTED)-(13-1-2009).pdf | 2018-08-09 |