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EP0445821

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EP About this file: EP0445821

EP0445821 - Process for preparing a 3-formylcephem derivative [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 11.04.1997 Database last updated on 03.10.2024
Most recent event Tooltip	11.04.1997	No opposition filed within time limit	published on 28.05.1997 [1997/22]
Applicant(s)	For all designated states Otsuka Kagaku Kabushiki Kaisha 2-27, Otedori 3-chome Chuo-ku Osaka-shi Osaka-fu 540 / JP
	[N/P]
Former [1991/37]	For all designated states OTSUKA KAGAKU KABUSHIKI KAISHA 2-27, Ote-dori 3-chome Chuo-ku Osaka-shi Osaka-fu 540 / JP
Inventor(s)	01 / Torii, Sigeru 4-18, Sanyo-danchi 4-chome, Sanyo-cho Akaiwa-gun, Okayama-ken / JP
	02 / Tanaka, Hideo 5115-34, Haga Okayama-shi, Okayama-ken / JP
	03 / Taniguchi, Masatoshi, Otsuka Kagaku KK Tokushima Lab., 463, Kagasuno, Kawauchi-cho Tokushima-shi, Tokushima-ken / JP
	04 / Sasaoka, Michio, c/o Otsuka Kagaku KK Tokushima Lab., 463, Kagasuno, Kawauchi-cho Tokushima-shi, Tokushima-ken / JP
	05 / Shiroi, Takashi, c/o Otsuka Kagaku KK Tokushima Lab., 463, Kagasuno, Kawauchi-cho Tokushima-shi, Tokushima-ken / JP
	06 / Kikuchi, Ryo, c/o Otsuka Kagaku KK Tokushima Lab., 463, Kagasuno, Kawauchi-cho Tokushima-shi, Tokushima-ken / JP
	07 / Kameyama, Yutaka, c/o Otsuka Kagaku KK Tokushima Lab., 463, Kagasuno, Kawauchi-cho Tokushima-shi, Tokushima-ken / JP
	[1991/37]
Representative(s)	Barz, Peter, et al Meissner Bolte & Partner GbR Postfach 86 06 24 81633 München / DE
	[N/P]
Former [1995/24]	Barz, Peter, Dr., et al Patentanwalt Kaiserplatz 2 D-80803 München / DE
Former [1991/37]	Barz, Peter, Dr. Patentanwälte Dipl.-Ing. G. Dannenberg Dr. P. Weinhold, Dr. D. Gudel Dipl.-Ing. S. Schubert, Dr. P. Barz Siegfriedstrasse 8 D-80803 München / DE
Application number, filing date	91103514.5	07.03.1991
	[1991/37]
Priority number, date	JP19900056955	08.03.1990 Original published format: JP 5695590
	[1991/37]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0445821
	Date:	11.09.1991
	Language:	EN
	[1991/37]
	Type:	B1 Patent specification
	No.:	EP0445821
	Date:	05.06.1996
	Language:	EN
	[1996/23]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	03.07.1991
Classification	IPC:	C07D501/04, C07D501/26	[1991/37]
	CPC:	C07D501/00 (EP,US); Y02P20/55 (EP,US)
Designated contracting states	DE, GB [1991/37]
Title	German:	Verfahren zur Herstellung eines 3-Formylcephem-Derivats	[1991/37]
	English:	Process for preparing a 3-formylcephem derivative	[1991/37]
	French:	Procédé pour la préparation d'un dérivé de 3-formyl-céphem	[1991/37]
Examination procedure	21.02.1992	Examination requested [1992/17]
	27.12.1993	Despatch of a communication from the examining division (Time limit: M04)
	06.05.1994	Reply to a communication from the examining division
	25.07.1995	Despatch of communication of intention to grant (Approval: Yes)
	16.10.1995	Communication of intention to grant the patent
	22.12.1995	Fee for grant paid
	22.12.1995	Fee for publishing/printing paid
Opposition(s)	06.03.1997	No opposition filed within time limit [1997/22]
Fees paid	Renewal fee
	19.03.1993	Renewal fee patent year 03
	04.03.1994	Renewal fee patent year 04
	20.03.1995	Renewal fee patent year 05
	29.03.1996	Renewal fee patent year 06
Opt-out from the exclusive Tooltip competence of the Unified Patent Court	See the Register of the Unified Patent Court for opt-out data
	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:	Search	[A]JP51122087 ;
		[A]JP5071691 ;
		[A]CH556876 (CIBA GEIGY AG);
		[A]US3950329 (BOSWELL JR GEORGE ALBERT, et al);
		[A]EP0103264 (FUJISAWA PHARMACEUTICAL CO [JP])
		[L] - CHEMICAL ABSTRACTS, vol. 114, no. 19, 13 May 1991 Columbus, Ohio, USA H. TANAKA et al.: "A facile access to 3-formyl-3-cephems through oxygen or air oxidation of 3-iodomethyl-3-cephems" page 748; ref. no. 18508& Synlett 1990, [11], 660-2 [cat. P,X]
		[A] - CHEMICAL ABSTRACTS, vol. 87, no. 1, 04 July 1977 Columbus, Ohio, USA page 487; ref. no. 5991E & JP-A-51-122087 [cat. D], & JP51122087 A 19770704
		[AD] - JOURNAL OF MEDICINAL CHEMISTRY, vol. 10, no. 5, 1967, pages 966 - 968; J.W. CHAMBERLIN et al.: "Chemistry of Cephalosporin Antibiotics. X. Synthesis of Methyl 3-Formyl-7-[thiophene-2-acet amido]-3-cephem-4-carboxylate, a New ..."
		[A] - CHEMICAL ABSTRACTS, vol. 83, no. 13, 29 September 1975 Columbus, Ohio, USA page 564; ref. no. 114445T & JP-A-50-71691 [cat. D], & JP5071691 A 19750929
		[AD] - CHEMICAL AND PHARMACEUTICAL BULLETIN, vol. 28, no. 4, 1980, pages 1339 - 1341; T. SUGAWARA et al.: "A New Synthetic Method of 3-Formylcephalosporins"

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