(WO/2006/054317) PROCESS FOR THE PREPARATION OF NOVEL AMORPHOUS MONTELUKAST SODIUM

(WO/2006/054317) PROCESS FOR THE PREPARATION OF NOVEL AMORPHOUS MONTELUKAST SODIUM

Latest bibliographic data on file with the International Bureau
Pub. No.:  WO/2006/054317   International Application No.:  PCT/IN2005/000366
Publication Date:26.05.2006 International Filing Date:11.11.2005
IPC: C07D 215/18 (2006.01), C07D 215/12 (2006.01)
Applicants:MATRIX LABORATORIES LTD [IN/IN]; 1-1-151/1, IV Floor, Sairam Towers, Alexander Road, Secunderabad 500 003 (IN) (All Except US).
CHAVA, Satyanaryana [IN/IN]; (IN) (US Only).
GORANTLA, Seeta, Ramanjaneyulu [IN/IN]; (IN) (US Only).
INDUKURI, Venkata, Sunil, Kumar [IN/IN]; (IN) (US Only).
Inventors:CHAVA, Satyanaryana; (IN).
GORANTLA, Seeta, Ramanjaneyulu; (IN).
INDUKURI, Venkata, Sunil, Kumar; (IN).
Agent:RAO, Ramana, Ch., V.; Matrix Laboratories Ltd, Plot No. 38, Phase IV, Ida, Jeedimetla, Hyderabad 500 055 (IN).
Priority Data:
1221/CHE/2004 19.11.2004 IN
Title: PROCESS FOR THE PREPARATION OF NOVEL AMORPHOUS MONTELUKAST SODIUM
Abstract: A process for the preparation of novel amorphous montelukast sodium by dissolving montelukast free acid in an organic solvent, converting into its alkali salt followed by vacuum drying or spray drying the solution. Alternatively by dissolution of montelukast sodium in organic solvent followed by vacuum drying or spray drying the solution.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Org. (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (EAPO) (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:English (EN)
Filing Language:English (EN)

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