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Machine translation
1. (WO2001087891) PROCESS FOR THE PURIFICATION OF A SALT OF CLAVULANIC ACID
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2001/087891    International Application No.:    PCT/GB2001/002025
Publication Date: 22.11.2001 International Filing Date: 09.05.2001
Chapter 2 Demand Filed:    25.10.2001    
IPC:
C07D 498/04 (2006.01)
Applicants: SMITHKLINE BEECHAM P.L.C. [GB/GB]; 980 Great West Road Brentford Middlesex TW8 9GS (GB) (For All Designated States Except US).
ZHANG, Guo [GB/GB]; (GB) (For US Only).
MCKNIGHT, John [GB/GB]; (GB) (For US Only)
Inventors: ZHANG, Guo; (GB).
MCKNIGHT, John; (GB)
Agent: WALKER, Ralph, Francis; SmithKline Beecham Corporate Intellectual Property (CN9.25.1) 980 Great West Road Brentford Middlesex TW8 9GS (GB)
Priority Data:
0011521.2 13.05.2000 GB
0011519.6 13.05.2000 GB
Title (EN) PROCESS FOR THE PURIFICATION OF A SALT OF CLAVULANIC ACID
(FR) PROCEDE DE PURIFICATION D'UN SEL D'ACIDE CLAVULANIQUE
Abstract: front page image
(EN)A process in which a salt of clavulanic acid, typically an amine salt or an alkali metal salt is exposed to conditions, particularly a pH of less than 6.0, which reduces the quantity of contaminating impurities. The process may be a washing process, a recrystallisation process or a preparative process.
(FR)L'invention concerne un procédé dans lequel un sel d'acide clavulanique, généralement un sel d'amine ou un sel de métal alcalin, est exposé à certaines conditions, en particulier un pH inférieur à 6,0, ce qui permet de réduire la quantité d'impuretés contaminantes. Ce procédé peut être un procédé de lavage, un procédé de recristallisation ou un procédé de préparation.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, US, UZ, VN, YU, ZA, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)