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EP0097971

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Extract from the Register of European Patents

EP About this file: EP0097971

EP0097971 - Method for producing low hydrogen content in steels produced by subsurface pneumatic refining [Right-click to bookmark this link]
Status	The patent has been granted Status updated on 04.04.1987 Database last updated on 03.10.2024
Most recent event Tooltip	17.07.2015	Change - representative
Applicant(s)	For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US
	[N/P]
Former [1984/02]	For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US
Inventor(s)	01 / Andreini, Rockne James 18204 Northeast 127th Street Redmond, Washington 98052 / US
	[1987/21]
Former [1984/05]	01 / Andreini, Rockne James 18204 Northeast 127th Street Bellevue Washington 98004 / US
Former [1984/02]	01 / Andreini, Rockne James 10635 N.E. 29th Street, Apt.118 Bellevue Washington 98004 / US
Representative(s)	Schwan Schorer & Partner mbB Patentanwälte Bauerstraße 22 80796 München / DE
	[N/P]
Former [2013/25]	Schwan, Ivo, et al Schwan Schwan Schorer Patentanwälte Bauerstrasse 22 80796 München / DE
Former [1984/02]	Schwan, Gerhard, Dipl.-Ing. Elfenstrasse 32 D-81739 München / DE
Application number, filing date	83106349.0	29.06.1983
	[1984/02]
Priority number, date	US19820393467	29.06.1982 Original published format: US 393467
	[1984/02]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0097971
	Date:	11.01.1984
	Language:	EN
	[1984/02]
	Type:	A3 Search report
	No.:	EP0097971
	Date:	08.02.1984
	Language:	EN
	[1984/06]
	Type:	B1 Patent specification
	No.:	EP0097971
	Date:	20.05.1987
	Language:	EN
	[1987/21]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	06.12.1983
Classification	IPC:	C21C5/34, C21C7/068, C21C5/00	[1984/02]
	CPC:	C21C5/005 (EP,US); C21C5/34 (EP,US); C21C7/068 (EP,US)
Designated contracting states	AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1984/02]
Title	German:	Verfahren zum Einstellen von niedrigen Wasserstoffgehalt bei nach dem Durchblasverfahren hergestellten Stählen	[1984/02]
	English:	Method for producing low hydrogen content in steels produced by subsurface pneumatic refining	[1984/02]
	French:	Procédé permettant l'obtention de teneurs basses en hydrogène dans des acides produits par affinage pneumatique submergé	[1984/02]
Examination procedure	28.02.1984	Examination requested [1984/18]
	22.02.1985	Despatch of a communication from the examining division (Time limit: M04)
	04.07.1985	Reply to a communication from the examining division
	02.09.1985	Despatch of a communication from the examining division (Time limit: M04)
	09.01.1986	Reply to a communication from the examining division
	30.07.1986	Despatch of communication of intention to grant (Approval: )
	05.11.1986	Fee for grant paid
	05.11.1986	Fee for publishing/printing paid
	26.11.1986	Communication of intention to grant the patent
Opposition(s)	Opponent(s)	01 19.02.1988 INADMISSIBLE AGA Aktiebolag S-181 81 Lidingö / SE Opponent's representative Wiedemann, Bernd W AGA AKTIEBOLAG Patent Department 181 81 Lidingö / SE
		[N/P]
	Former [1988/16]
	Opponent(s)	01 19.02.1988 INADMISSIBLE AGA Aktiebolag S-181 81 Lidingö / SE Opponent's representative Wiedemann, Bernd AGA AKTIEBOLAG Patent Department S-181 81 Lidingö / SE
Fees paid	Renewal fee
	11.03.1985	Renewal fee patent year 03
	24.03.1986	Renewal fee patent year 04
	24.03.1987	Renewal fee patent year 05
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	NL	20.05.1987
	AT	29.06.1989
	GB	29.06.1994
	BE	30.06.1994
	CH	30.06.1994
	LI	30.06.1994
	SE	30.06.1994
	FR	28.02.1995
	DE	01.03.1995
	[1995/41]
Former [1995/37]	NL	20.05.1987
	AT	29.06.1989
	GB	29.06.1994
	BE	30.06.1994
	CH	30.06.1994
	LI	30.06.1994
	SE	30.06.1994
	DE	01.03.1995
Former [1995/31]	NL	20.05.1987
	AT	29.06.1989
	BE	30.06.1994
	CH	30.06.1994
	LI	30.06.1994
	SE	30.06.1994
	DE	01.03.1995
Former [1995/30]	NL	20.05.1987
	AT	29.06.1989
	BE	30.06.1994
	SE	30.06.1994
	DE	01.03.1995
Former [1995/29]	NL	20.05.1987
	AT	29.06.1989
	BE	30.06.1994
	SE	30.06.1994
Former [1995/27]	NL	20.05.1987
	AT	29.06.1989
	BE	30.06.1994
Former [1990/42]	NL	20.05.1987
	AT	29.06.1989
Former [1988/52]	NL	20.05.1987
Documents cited:	Search	[A]US2548849 (TAYLOR CHARLES R, et al);
		[A]US3046107 (NELSON EDWARD C, et al);
		[A]DE1909780 (MAXIMILIANSHUETTE EISENWERK);
		[A]LU66234 ;
		[A]EP0008463 (UNION CARBIDE CORP [US]);
		[AD]US4278464 (BURY ROLAND P, et al)
		[A] - METALS ABSTRACTS, vol. 11, July 1978, pages 1234-1235, abstract no. 450272
		[A] - STAHL UND EISEN, vol. 89, no. 13, 26th June 1969, pages 710-716, Düsseldorf, DE.
	Examination	EP0087328

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