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Process For Chromatographic Purification Of Rosiglitazone
Abstract: A process for the separation of a thiazolidine compound from its related impurities which comprises: a) Bringing a solution or suspension comprising a thiazolidinedione compound and its related impurities into contact with a hydrophobic natural or synthetic polymer based resin; b) Washing the adsorbent resin with a solvent to remove unbound impurities; c) Selective desorption of the adsorbed thiazolidinedione compound from the adsorbent resins; and d) Optionally, regeneration of the adsorbent resin.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
05 July 2006
Publication Number
38/2008
Publication Type
INA
Invention Field
BIO-CHEMISTRY
Status
Email
Parent Application
Applicants
DR REDDYS LABORATORIES LIMITED,
HARSHAL P BHAGWATWAR PH.D, INTELLECTUAL PROPERTY MANAGEMENT , INTEGRATED PRODUCT DEVELOPMENT, DR REDDYS LABORATORIES LIMITED,SURVEY NOS.42 , 45 , 46 , BACHUPALLI. QUTUBULLAPUR, RR DISTRICT,
Inventors
1. MANOJ RAMESH KHARKAR,
PLOT NO.49,VIDYA VIHAR COLONY,PRATAP NAGAR,NAGPUR-440022
2. MADDULA SRINIVASULA REDDY,
NAGULAVARAM POST,VINUKONDA MANDAL,GUNTUR DIST-522649,
3. KUSHAL SURAJMAL MANUDHANE,
304,PADMASREE APPTS,DHARAM KARAM ROAD, AMEERPET-500 016,HYDERABAD,
4. THOTA SRIDHAR
A-BLOCK,FLAR NO.301,VARTEX PRIDE APPTS,JAI BHARAT NAGAR COLONY,NIZAMPET ROAD, NEAR JNTU,KUKATPALLY,HYDERABAD,
5. ARVIND MALLINATH LALI,
F-302,BIOPROCESSING LAB,OILS BUILDING,DEPARTMENT OF CHEMICAL ENGINEERING,INSTITUTE OF CHEMICAL TECHNOLOGY,NATHALAL PARIKH MARG,MATUNGA, MUMBAI-400 019,
6. SANDEEP BHASKAR KALE,
F-302,BIOPROCESSING LAB,OILS BUILDING,DEPARTMENT OF CHEMICAL ENGINEERING,INSTITUTE OF CHEMICAL TECHNOLOGY,NATHALAL PARIKH MARG,MATUNGA, MUMBAI-400 019,
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1168-che-2006-claims.pdf | 2011-09-03 |
| 1 | 1168-che-2006-form 3.pdf | 2011-09-03 |
| 2 | 1168-che-2006-correspondence-0ther.pdf | 2011-09-03 |
| 2 | 1168-che-2006-form 1.pdf | 2011-09-03 |
| 3 | 1168-che-2006-correspondence-others.pdf | 2011-09-03 |
| 3 | 1168-che-2006-description-provisional.pdf | 2011-09-03 |
| 4 | 1168-che-2006-correspondence-others.pdf | 2011-09-03 |
| 4 | 1168-che-2006-description-provisional.pdf | 2011-09-03 |
| 5 | 1168-che-2006-correspondence-0ther.pdf | 2011-09-03 |
| 5 | 1168-che-2006-form 1.pdf | 2011-09-03 |
| 6 | 1168-che-2006-claims.pdf | 2011-09-03 |
| 6 | 1168-che-2006-form 3.pdf | 2011-09-03 |