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EP0555769

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Extract from the Register of European Patents

EP About this file: EP0555769

EP0555769 - Process for the preparation of Cephem-Prodrug-esters [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 14.07.2000 Database last updated on 08.04.2026
Most recent event Tooltip	14.07.2000	No opposition filed within time limit	published on 30.08.2000 [2000/35]
Applicant(s)	For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE
	[1999/37]
Former [1993/33]	For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE
Inventor(s)	01 / Defossa, Elisabeth, Dr. Hertastrasse 6 W-6270 Idstein/Ts / DE
	02 / Fischer, Gerd, Dr. Lindenstrasse 7 W-6250 Limburg 8 / DE
	03 / Gerlach, Uwe, Dr. Emmerich-Josef-Strasse 59 W-6230 Frankfurt/M / DE
	04 / Hörlein, Rolf, Dr. Assmannshäuser Weg 21 W-6000 Frankfurt/M / DE
	05 / Krass, Norbert, Dr. Georg-Speyer-Strasse 60 W-6000 Frankfurt/M / DE
	06 / Lattrell, Rudolf, Dr. Heuhohlweg 6h W-6240 Königstein/Ts / DE
	07 / Stache, Ulrich, Dr. Goldgraben 20 W-6238 Hofheim/Ts / DE
	08 / Wollmann, Theodor, Dr. Gartenstrasse 25 W-6238 Hofheim/Ts / DE
	[1993/33]
Application number, filing date	93101722.2	04.02.1993
	[1993/33]
Priority number, date	DE19924204349	14.02.1992 Original published format: DE 4204349
	[1993/33]
Filing language	DE
Procedural language	DE
Publication	Type:	A2 Application without search report
	No.:	EP0555769
	Date:	18.08.1993
	Language:	DE
	[1993/33]
	Type:	A3 Search report
	No.:	EP0555769
	Date:	24.11.1993
	Language:	DE
	[1993/47]
	Type:	B1 Patent specification
	No.:	EP0555769
	Date:	15.09.1999
	Language:	DE
	[1999/37]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	08.10.1993
Classification	IPC:	C07D501/34, C07D501/04, C07D277/20, C07D501/00	[1993/47]
	CPC:	C07D277/587 (EP,US); C07D501/34 (KR); A61P31/04 (EP); C07D417/12 (EP,US); C07D501/00 (EP,US); Y02P20/55 (EP,US)
	Former IPC [1993/33]	C07D501/34, C07D501/04, C07D277/20
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LI, LU, NL, PT, SE [1993/33]
Title	German:	Verfahren zur Herstellung von Cephem-Prodrug-Estern	[1993/33]
	English:	Process for the preparation of Cephem-Prodrug-esters	[1993/33]
	French:	Procédé pour la préparation d'esters de céphem, utilisés comme Prodrug	[1993/33]
Examination procedure	27.01.1994	Examination requested [1994/13]
	05.02.1997	Despatch of a communication from the examining division (Time limit: M06)
	17.07.1997	Reply to a communication from the examining division
	04.05.1998	Despatch of communication of intention to grant (Approval: No)
	09.09.1998	Despatch of communication of intention to grant (Approval: later approval)
	17.03.1999	Communication of intention to grant the patent
	28.06.1999	Fee for grant paid
	28.06.1999	Fee for publishing/printing paid
Opposition(s)	16.06.2000	No opposition filed within time limit [2000/35]
Fees paid	Renewal fee
	28.02.1995	Renewal fee patent year 03
	29.02.1996	Renewal fee patent year 04
	28.02.1997	Renewal fee patent year 05
	02.03.1998	Renewal fee patent year 06
	01.03.1999	Renewal fee patent year 07
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