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"An Improved Process For The Preparation Of Mirabegron And Its Intermediate"
Abstract: The present invention provides an improved process for obtaining alpha (a)-form crystals of Mirabegron (I); comprising crystallizing solid compound (I) (as described herein) from water. The present invention provides an improved process for obtaining alpha (a)-form crystals of Mirabegron (I); comprising the steps of (a) suspending beta (p)-form crystals of Mirabegron in water; (b) heating the reaction mixture of step (a); (c) cooling the reaction mixture of step (b); (d) isolating alpha (a)-form crystals of Mirabegron. The invention also provides a novel crystalline Form-MP of the intermediate compound (R)-2-((4-nitrophenethyl) amino)- 1-phenylethanol (II).
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
08 June 2016
Publication Number
50/2017
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Applicants
PIRAMAL ENTERPRISES LIMITED
PIRAMAL TOWER GANPATRAO KADAM MARG, LOWER PAREL
MUMBAI MAHARASHTRA, INDIA 400013
Inventors
1. CHENNAMSETTY, SUNEEL MANOHAR BABU
LIGHT HALL, A WING, HIRANANDANI BUSINESS PARK, SAKI VIHAR ROAD, CHANDIVALI, ANDHERI (EAST), MUMBAI-400 072, MAHARASHTRA, INDIA.
2. GHARPURE, MILIND
LIGHT HALL, A WING, HIRANANDANI BUSINESS PARK, SAKI VIHAR ROAD, CHANDIVALI, ANDHERI (EAST), MUMBAI-400 072, MAHARASHTRA, INDIA.
3. WAGH, GANESH
LIGHT HALL, A WING, HIRANANDANI BUSINESS PARK, SAKI VIHAR ROAD, CHANDIVALI, ANDHERI (EAST), MUMBAI-400 072, MAHARASHTRA, INDIA.
4. WAPRE, MANIKRAO
LIGHT HALL, A WING, HIRANANDANI BUSINESS PARK, SAKI VIHAR ROAD, CHANDIVALI, ANDHERI (EAST), MUMBAI-400 072, MAHARASHTRA, INDIA.
5. SABALE, YOGESHWAR
LIGHT HALL, A WING, HIRANANDANI BUSINESS PARK, SAKI VIHAR ROAD, CHANDIVALI, ANDHERI (EAST), MUMBAI-400 072, MAHARASHTRA, INDIA.
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201621019655-FER.pdf | 2021-10-18 |
| 1 | 201621019655-FORM 5-25-05-2017.pdf | 2017-05-25 |
| 2 | 201621019655-8(i)-Substitution-Change Of Applicant - Form 6 [04-12-2020(online)].pdf | 2020-12-04 |
| 2 | 201621019655-FORM 3-25-05-2017.pdf | 2017-05-25 |
| 3 | 201621019655-FORM 2-25-05-2017.pdf | 2017-05-25 |
| 3 | 201621019655-ASSIGNMENT DOCUMENTS [04-12-2020(online)].pdf | 2020-12-04 |
| 4 | 201621019655-PA [04-12-2020(online)].pdf | 2020-12-04 |
| 4 | 201621019655-FORM 2(TITLE PAGE)-25-05-2017.pdf | 2017-05-25 |
| 5 | 201621019655-FORM 18 [26-05-2020(online)].pdf | 2020-05-26 |
| 5 | 201621019655-DRAWING-25-05-2017.pdf | 2017-05-25 |
| 6 | 201621019655-Form 1-080616.pdf | 2018-08-11 |
| 6 | 201621019655-DESCRIPTION(COMPLETE)-25-05-2017.pdf | 2017-05-25 |
| 7 | 201621019655-Form 2(Title Page)-080616.pdf | 2018-08-11 |
| 7 | 201621019655-CORRESPONDENCE-25-05-2017.pdf | 2017-05-25 |
| 8 | 201621019655-Form 3-080616.pdf | 2018-08-11 |
| 8 | 201621019655-CLAIMS-25-05-2017.pdf | 2017-05-25 |
| 9 | 201621019655-ABSTRACT-25-05-2017.pdf | 2017-05-25 |
| 9 | 201621019655-Other Patent Document-080616.pdf | 2018-08-11 |
| 10 | 201621019655-ABSTRACT-25-05-2017.pdf | 2017-05-25 |
| 10 | 201621019655-Other Patent Document-080616.pdf | 2018-08-11 |
| 11 | 201621019655-CLAIMS-25-05-2017.pdf | 2017-05-25 |
| 11 | 201621019655-Form 3-080616.pdf | 2018-08-11 |
| 12 | 201621019655-CORRESPONDENCE-25-05-2017.pdf | 2017-05-25 |
| 12 | 201621019655-Form 2(Title Page)-080616.pdf | 2018-08-11 |
| 13 | 201621019655-DESCRIPTION(COMPLETE)-25-05-2017.pdf | 2017-05-25 |
| 13 | 201621019655-Form 1-080616.pdf | 2018-08-11 |
| 14 | 201621019655-DRAWING-25-05-2017.pdf | 2017-05-25 |
| 14 | 201621019655-FORM 18 [26-05-2020(online)].pdf | 2020-05-26 |
| 15 | 201621019655-FORM 2(TITLE PAGE)-25-05-2017.pdf | 2017-05-25 |
| 15 | 201621019655-PA [04-12-2020(online)].pdf | 2020-12-04 |
| 16 | 201621019655-ASSIGNMENT DOCUMENTS [04-12-2020(online)].pdf | 2020-12-04 |
| 16 | 201621019655-FORM 2-25-05-2017.pdf | 2017-05-25 |
| 17 | 201621019655-8(i)-Substitution-Change Of Applicant - Form 6 [04-12-2020(online)].pdf | 2020-12-04 |
| 17 | 201621019655-FORM 3-25-05-2017.pdf | 2017-05-25 |
| 18 | 201621019655-FORM 5-25-05-2017.pdf | 2017-05-25 |
| 18 | 201621019655-FER.pdf | 2021-10-18 |
Search Strategy
| 1 | 201621019655searchreportE_24-12-2020.pdf |