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A Process For Preparation Of 5 Acetoacetylamino 2 Benzimidazolone Using Acetoacetic Esters
5-acetoacetylamino-2-benzimidazolone is prepared by suspending the 5-amino-benzimidazolone in an organic solvent such as monochlorobenzene, xylene, toluene, dimethylsulfoxide, dichlorobenzene etc. and reacting it with aceto acetic ester viz. methyl, ethyl, butyl, isopropyl at reflux temperature of solvent ranging from 100 to 165 C
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
01 November 2004
Publication Number
23/06
Publication Type
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2009-11-13
Renewal Date
Applicants
GHARDA CHEMICALS LTD.
MIDC, B-27/29, PHASE I, DOMBIVLI (E), 421203
DIST. THANE
Inventors
1. DAKORWALA TAHER SAFAKATHUSAIN
MIDC, B-27/29, PHASE I, DOMBIVLI (E), 421203
DIST. THANE,
2. NABAR UDAY VISHWANATH
GHARDA CHEMICALS LTD.,
MIDC, B-27/29, PHASE I, DOMBIVLI (E), 421203
3. NAIR PRIYA MURLI
GHARDA CHEMICALS LTD.,
MIDC, B-27/29, PHASE I, DOMBIVLI (E), 421203
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1166-mum-2004-form 2(title page)-(granted)-(13-11-2009).pdf | 2009-11-13 |
| 2 | 1166-mum-2004-form 2(granted)-(13-11-2009).pdf | 2009-11-13 |
| 3 | 1166-mum-2004-description(granted)-(13-11-2009).pdf | 2009-11-13 |
| 4 | 1166-mum-2004-claims(granted)-(13-11-2009).pdf | 2009-11-13 |
| 5 | 1166-MUM-2004-CORRESPONDENCE(30-10-2014).pdf | 2014-10-30 |
| 6 | 1166-MUM-2004-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(30-10-2015).pdf | 2015-10-30 |
| 7 | 1166-MUM-2004-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(25-10-2016).pdf | 2016-10-25 |
| 8 | 236643-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-16-10-2017.pdf | 2017-10-16 |
| 9 | 1166-mum-2004-specification(amanded)-(30-1-2009).pdf | 2018-08-09 |
| 10 | 1166-MUM-2004-REPLY TO EXAMINATION REPORT(24-8-2009).pdf | 2018-08-09 |
| 11 | 1166-MUM-2004-FORM 5(16-9-2005).pdf | 2018-08-09 |
| 12 | 1166-MUM-2004-FORM 3(30-1-2009).pdf | 2018-08-09 |
| 13 | 1166-MUM-2004-FORM 3(24-8-2009).pdf | 2018-08-09 |
| 14 | 1166-MUM-2004-FORM 3(1-11-2004).pdf | 2018-08-09 |
| 15 | 1166-mum-2004-form 2(title page)-(provisional)-(1-11-2004).pdf | 2018-08-09 |
| 16 | 1166-mum-2004-form 2(title page)-(complete)-(16-9-2005).pdf | 2018-08-09 |
| 17 | 1166-MUM-2004-FORM 2(TITLE PAGE)-(30-1-2009).pdf | 2018-08-09 |
| 18 | 1166-MUM-2004-FORM 2(TITLE PAGE)-(24-8-2009).pdf | 2018-08-09 |
| 19 | 1166-mum-2004-form 2(provisional)-(1-11-2004).pdf | 2018-08-09 |
| 20 | 1166-mum-2004-form 2(complete)-(16-9-2005).pdf | 2018-08-09 |
| 21 | 1166-mum-2004-form 2(30-1-2009).pdf | 2018-08-09 |
| 22 | 1166-mum-2004-form 2(24-8-2009).pdf | 2018-08-09 |
| 23 | 1166-mum-2004-form 18(9-10-2007).pdf | 2018-08-09 |
| 24 | 1166-MUM-2004-FORM 1(24-8-2009).pdf | 2018-08-09 |
| 25 | 1166-MUM-2004-FORM 1(1-11-2004).pdf | 2018-08-09 |
| 26 | 1166-mum-2004-description(provisional)-(1-11-2004).pdf | 2018-08-09 |
| 27 | 1166-MUM-2004-DESCRIPTION(COMPLETE)-(30-1-2009).pdf | 2018-08-09 |
| 28 | 1166-MUM-2004-DESCRIPTION(COMPLETE)-(24-8-2009).pdf | 2018-08-09 |
| 29 | 1166-mum-2004-description(complete)-(16-9-2005).pdf | 2018-08-09 |
| 30 | 1166-MUM-2004-CORRESPONDENCE(RENEWAL PAYMENT LETTER)-(12-9-2012).pdf | 2018-08-09 |
| 31 | 1166-MUM-2004-CORRESPONDENCE(IPO)-(9-9-2008).pdf | 2018-08-09 |
| 32 | 1166-mum-2004-correspondence(ipo)-(9-12-2009).pdf | 2018-08-09 |
| 33 | 1166-MUM-2004-CORRESPONDENCE(30-1-2009).pdf | 2018-08-09 |
| 34 | 1166-mum-2004-correspondence(16-9-2005).pdf | 2018-08-09 |
| 35 | 1166-mum-2004-claims(complete)-(16-9-2005).pdf | 2018-08-09 |
| 36 | 1166-MUM-2004-CLAIMS(30-1-2009).pdf | 2018-08-09 |
| 37 | 1166-MUM-2004-CLAIMS(24-8-2009).pdf | 2018-08-09 |
| 39 | 1166-mum-2004-cancelled pages(24-8-2009).pdf | 2018-08-09 |
| 40 | 1166-mum-2004-abstract(provisional)-(1-11-2004).pdf | 2018-08-09 |
| 41 | 1166-MUM-2004-ABSTRACT(24-8-2009).pdf | 2018-08-09 |
| 42 | 1166-MUM-2004-ABSTRACT(16-9-2005).pdf | 2018-08-09 |
| 43 | 236643-Correspondence (Renewal)-291018.pdf | 2018-10-31 |
| 44 | 236643-Correspondence (Renewal)-231019.pdf | 2019-10-25 |
| 45 | 236643-Correspondence (Renewal)-231020.pdf | 2021-10-02 |
| 46 | 1166-MUM-2004-CORRESPONDENCE(RENEWAL)-281021.pdf | 2021-10-30 |