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EP About this file: EP0272250

EP0272250 - Process for the production of neodym alloys [Right-click to bookmark this link]
Former [1988/25]	Neodynium alloys and their production process
	[1992/16]
Status	No opposition filed within time limit Status updated on 03.08.1993 Database last updated on 15.06.2024
Most recent event Tooltip	15.08.2008	Change - representative	published on 17.09.2008 [2008/38]
Applicant(s)	For all designated states RHONE-POULENC CHIMIE 25, Quai Paul Doumer 92408 Courbevoie Cédex / FR
	[N/P]
Former [1988/25]	For all designated states RHONE-POULENC CHIMIE 25, Quai Paul Doumer F-92408 Courbevoie Cédex / FR
Inventor(s)	01 / Seon, Françoise 170, avenue du président Wilson F-93100 Montreuil / FR
	02 / Boudot, Bernard 146m boulevard Diderot F-75012 Paris / FR
	[1988/25]
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 [2008/38]	Dutruc-Rosset, Marie-Claude, et al Rhodia Services Direction Propriété Industrielle 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
Former [1988/25]	Dutruc-Rosset, Marie-Claude, et al RHONE-POULENC INTERSERVICES Service Brevets Chimie 25, Quai Paul Doumer F-92408 Courbevoie Cédex / FR
Application number, filing date	88100014.5	22.06.1984
	[1988/25]
Priority number, date	FR19830011139	05.07.1983 Original published format: FR 8311139
	FR19830014392	09.09.1983 Original published format: FR 8314392
	[1988/25]
Filing language	FR
Procedural language	FR
Publication	Type:	A1 Application with search report
	No.:	EP0272250
	Date:	22.06.1988
	Language:	FR
	[1988/25]
	Type:	B1 Patent specification
	No.:	EP0272250
	Date:	30.09.1992
	Language:	FR
	[1992/40]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	19.04.1988
Classification	IPC:	C22B5/04, C22C28/00, C22B59/00	[1988/25]
	CPC:	C22B5/04 (EP,US); C22C28/00 (EP,KR,US); C22B59/00 (EP,US)
Designated contracting states	AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1988/25]
Title	German:	Verfahren zur Herstellung von Neodymlegierungen	[1992/16]
	English:	Process for the production of neodym alloys	[1992/16]
	French:	Procédé de fabrication d'alliages de néodyme	[1992/16]
	Former [1988/25]	Neodymlegierungen und deren Herstellungsverfahren
	Former [1988/25]	Neodynium alloys and their production process
	Former [1988/25]	Alliages de néodyme et leur procédé de fabrication
Examination procedure	11.10.1988	Examination requested [1988/49]
	07.12.1990	Despatch of a communication from the examining division (Time limit: M06)
	19.07.1991	Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
	02.08.1991	Reply to a communication from the examining division
	04.03.1992	Despatch of communication of intention to grant (Approval: Yes)
	26.03.1992	Communication of intention to grant the patent
	19.06.1992	Fee for grant paid
	19.06.1992	Fee for publishing/printing paid
Parent application(s) Tooltip	EP84401307.8 / EP0134162
Opposition(s)	01.07.1993	No opposition filed within time limit [1993/38]
Request for further processing for:	07.08.1991	Request for further processing filed
	15.08.1991	Full payment received (date of receipt of payment) Request granted
	02.09.1991	Decision despatched
Fees paid	Renewal fee
	16.01.1988	Renewal fee patent year 03
	16.01.1988	Renewal fee patent year 04
	15.06.1988	Renewal fee patent year 05
	20.06.1989	Renewal fee patent year 06
	21.06.1990	Renewal fee patent year 07
	24.06.1991	Renewal fee patent year 08
	25.06.1992	Renewal fee patent year 09
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	30.09.1992
	GB	22.06.1993
	SE	23.06.1993
	BE	30.06.1993
	CH	30.06.1993
	LI	30.06.1993
	LU	30.06.1993
	[2000/06]
Former [1994/41]	AT	30.09.1992
	GB	22.06.1993
	SE	23.06.1993
	BE	30.06.1993
	CH	30.06.1993
	LI	30.06.1993
Former [1994/26]	AT	30.09.1992
	SE	23.06.1993
	BE	30.06.1993
	CH	30.06.1993
	LI	30.06.1993
Former [1994/18]	AT	30.09.1992
	SE	23.06.1993
	CH	30.06.1993
	LI	30.06.1993
Former [1994/18]	AT	30.09.1992
	SE	23.06.1993
Former [1994/16]	SE	23.06.1993
Documents cited:	Search	[Y]FR489155 (MAURICE DUBURGUET [FR]);
		[A]US1648954 (WESLEY MARDEN JOHN);
		[A]FR986924 ;
		[A]US3186834 (SCHECHTER DALE L, et al);
		[A]US3295963 (DESIRE GALVIN PAUL);
		[YD]AT329884B (TREIBACHER CHEMISCHE WERKE AG [AT])
		[A] - CHEMICAL ABSTRACTS, vol. 93, 1980, page 379, résumé no. 226435c, Columbus, Ohio, US; V.D. SAVIN et al.: "Kinetics of the reduction of cerium and neodymium from chlorides by calcium", & ZH. FIZ. KHIM. 1980, 54(9), 2241-5
		[A] - CHEMICAL ABSTRACTS, vol. 94, 1981, page 213, résumé no. 195573k, Columbus, Ohio, US; G.N. ZVIADADZE et al.: "Kinetics of aluminothermal reduction of neodymium from fluoride", & IZV. AKAD. NAUK SSSR, Met. 1981 (1), 14-17
		[A] - CHEMICAL ABSTRACTS, vol. 95, 1981, page 463, résumé no. 157685m, Columbus, Ohio, US; G.N. ZVIADADZE et al.: "Thermodynamics of the aluminothermal reduction of scandium, yttrium, and neodymium from fluorides", & DEPOSITED DOC. 1980, VINITI, 1804-80, 19pp.
		[A] - GMELIN HANDBUCH DER ANORGANISCHEN CHEMIE, partie B2, système no. 39, pages 214-215, Springer Verlag, Berlin, DE
		[A] - M. BOUISSIERES et al.: "Nouveau traité de chimie minérale", tome VII, 1959, pages 488-525, Masson Editeurs
		[A] - CHIMIE ET INDUSTRIE, vol. 77, no. 2, février 1957, pages 277-288, Société de productions documentaires, Rueil-Malmaison, FR; F. TROMBE: "Préparation et propriétés des métaux des terres rares"
	Examination	- O.Kubaschewski, "Iron-Binary Phase Diagrams", 1982, pages 101 et 102

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