CEPHALOSPORIN ESTERS WHICH ARE USEFUL AS ANTIBIOTICS - Patent 0528985

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EP 0 528 985 A1

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(43)	Date of publication:
	03.03.1993 Bulletin 1993/09

(21)	Application number: 91911052.0

(22)	Date of filing: 15.05.1991

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International Patent Classification (IPC):

A61K 31/ 545^{( . )}
A61P 31/ 04^{( . )}
C07D 501/ 36^{( . )}

A61K 31/ 546^{( . )}
C07D 501/ 00^{( . )}

(86)	International application number:
	PCT/US1991/003256

(87)	International publication number:
	WO 1991/017996 (28.11.1991 Gazette 1991/27)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IT LI LU NL SE

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Priority:

17.05.1990 US 19900524756

(71)	Applicant: THE UPJOHN COMPANY
	Kalamazoo, MI 49001 (US)

(72)	Inventors:
	GILBERTSON, Terry, J. Kalamazoo, MI 49007 (US) GATCHELL, Catherine, L. Portage, MI 49002 (US)

(74)	Representative: Perry, Robert Edward, et al
	GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)

(54)	CEPHALOSPORIN ESTERS WHICH ARE USEFUL AS ANTIBIOTICS