IMPROVED PROCESS FOR THE PREPARATION OF SALTS AND ESTERS OF CLAVULANIC ACID - Patent 1095046

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EP 1 095 046 A1

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(43)	Date of publication:
	02.05.2001 Bulletin 2001/18

(21)	Application number: 99940010.4

(22)	Date of filing: 13.07.1999

(51)	International Patent Classification (IPC)⁷: C07D 503/00, C12P 17/18

(86)	International application number:
	PCT/EP9905/026

(87)	International publication number:
	WO 0004/028 (27.01.2000 Gazette 2000/04)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

16.07.1998 EP 98202390

(71)	Applicant: DSM N.V.
	6411 TE Heerlen (NL)

(72)	Inventors:
	LEFFERTS, Ageeth, Geertruida NL-4535 RG Breda (NL) KERKHOF, Pieter, Theodorus NL-3191 HS Hoogvliet (NL)

(74)	Representative: Matulewicz, Emil Rudolf Antonius, Dr.
	DSM Patents & TrademarksOffice DelftP.O. Box 1 2600 MA Delft 2600 MA Delft (NL)

(54)	IMPROVED PROCESS FOR THE PREPARATION OF SALTS AND ESTERS OF CLAVULANIC ACID