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EP0364378

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Extract from the Register of European Patents

EP About this file: EP0364378

EP0364378 - Process for the preparation of methyl hydroquinone [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 24.12.1993 Database last updated on 22.08.2024
Most recent event Tooltip	26.04.2002	Lapse of the patent in a contracting state New state(s): ES	published on 12.06.2002 [2002/24]
Applicant(s)	For all designated states RHONE-POULENC CHIMIE 25 Quai Paul Doumer 92408 Courbevoie Cédex / FR
	[N/P]
Former [1990/16]	For all designated states RHONE-POULENC CHIMIE 25 Quai Paul Doumer F-92408 Courbevoie Cédex / FR
Inventor(s)	01 / Gubelmann, Michel 39, Boulevard des Belges F-69006 Lyon / FR
	02 / Allandrieu, Christian 8, avenue Salvador Allende F-69100 Villeurbanne / FR
	[1990/16]
Representative(s)	Dutruc-Rosset, Marie-Claude, et al Rhodia Services Direction Propriété Industrielle 40, Rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	[N/P]
Former [1992/13]	Dutruc-Rosset, Marie-Claude, et al RHONE-POULENC CHIMIE, Direction de la Propriété Industrielle, 25, Quai Paul Doumer F-92408 Courbevoie Cédex / FR
Former [1990/16]	Vignally, Noel Rhône-Poulenc Chimie Service Brevets Chimie Centre de Recherches des Carrières B.P. 62 F-69192 Saint-Fons Cédex / FR
Application number, filing date	89420384.3	09.10.1989
	[1990/16]
Priority number, date	FR19880014362	14.10.1988 Original published format: FR 8814362
	[1990/16]
Filing language	FR
Procedural language	FR
Publication	Type:	A1 Application with search report
	No.:	EP0364378
	Date:	18.04.1990
	Language:	FR
	[1990/16]
	Type:	B1 Patent specification
	No.:	EP0364378
	Date:	24.02.1993
	Language:	FR
	[1993/08]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	07.02.1990
Classification	IPC:	C07C37/055, C07C37/48, C07C39/08	[1990/16]
	CPC:	C07C37/055 (EP,US); C07C37/48 (US)
Designated contracting states	AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1990/16]
Title	German:	Verfahren zur Herstellung von Methylhydrochinon	[1990/16]
	English:	Process for the preparation of methyl hydroquinone	[1990/16]
	French:	Procédé de préparation de la methylhydroquinone	[1990/16]
Examination procedure	02.05.1990	Examination requested [1990/27]
	30.08.1991	Despatch of a communication from the examining division (Time limit: M06)
	23.01.1992	Reply to a communication from the examining division
	05.05.1992	Despatch of communication of intention to grant (Approval: Yes)
	04.08.1992	Communication of intention to grant the patent
	04.11.1992	Fee for grant paid
	04.11.1992	Fee for publishing/printing paid
Opposition(s)	25.11.1993	No opposition filed within time limit [1994/07]
Fees paid	Renewal fee
	22.10.1991	Renewal fee patent year 03
	26.10.1992	Renewal fee patent year 04
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.
Lapses during opposition Tooltip	AT	24.02.1993
	ES	24.02.1993
	GR	24.02.1993
	NL	24.02.1993
	SE	24.02.1993
	GB	09.10.1993
	BE	31.10.1993
	CH	31.10.1993
	LI	31.10.1993
	LU	31.10.1993
	[2002/24]
Former [2000/04]	AT	24.02.1993
	GR	24.02.1993
	NL	24.02.1993
	SE	24.02.1993
	GB	09.10.1993
	BE	31.10.1993
	CH	31.10.1993
	LI	31.10.1993
	LU	31.10.1993
Former [1994/49]	AT	24.02.1993
	NL	24.02.1993
	SE	24.02.1993
	GB	09.10.1993
	BE	31.10.1993
	CH	31.10.1993
	LI	31.10.1993
Former [1994/48]	AT	24.02.1993
	NL	24.02.1993
	SE	24.02.1993
	BE	31.10.1993
	CH	31.10.1993
	LI	31.10.1993
Former [1994/48]	AT	24.02.1993
	NL	24.02.1993
	SE	24.02.1993
	CH	31.10.1993
	LI	31.10.1993
Former [1994/25]	AT	24.02.1993
	NL	24.02.1993
	SE	24.02.1993
Former [1993/45]	NL	24.02.1993
	SE	24.02.1993
Former [1993/36]	SE	24.02.1993
Documents cited:	Search	[Y]FR657293 (SCHERING KAHLBAUM AG);
		[Y]GB600839 (PETER SPENCE & SONS LTD, et al);
		[A]US3728408 (TOBIAS M);
		[Y]US4283572 (KLICKER JAMES D);
		[Y]US4709102 (GUPTA BALARAM B G [US])

The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.

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