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EP About this file: EP0548868

EP0548868 - Method of refining of high purity steel [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 23.07.1999 Database last updated on 05.10.2024
Most recent event Tooltip	23.07.1999	No opposition filed within time limit	published on 08.09.1999 [1999/36]
Applicant(s)	For all designated states KAWASAKI STEEL CORPORATION 1-1-28 Kitahonmachi-Dori, 1-chome, Chuo-ku, Kobe-shi Hyogo-ken 651 / JP
	[N/P]
Former [1993/26]	For all designated states KAWASAKI STEEL CORPORATION 1-1-28 Kitahonmachi-Dori, 1-chome, Chuo-ku Kobe-shi Hyogo-ken 651 / JP
Inventor(s)	01 / Kato, Yoshiei, c/o Tecnical Research Division Kawasaki Steel Corporation, 1, Kawasaki-cho Chuo-ku, Chiba-shi, Chiba-ken 260 / JP
	02 / Kirihara, Tadasu, c/o Tecnical Research Division Kawasaki Steel Corporation, 1, Kawasaki-cho Chuo-ku, Chiba-shi, Chiba-ken 260 / JP
	03 / Taguchi, Seiji, c/o Tecnical Research Division Kawasaki Steel Corporation, 1, Kawasaki-cho Chuo-ku, Chiba-shi, Chiba-ken 260 / JP
	04 / Fujii, Tetsuya, c/o Tecnical Research Division Kawasaki Steel Corporation, 1, Kawasaki-cho Chuo-ku, Chiba-shi, Chiba-ken 260 / JP
	05 / Omiya, Shigeru, c/o Mizushima Works ofDivision Kawasaki Steel Corp., 1, Mizushima-Kawaski-dori Kurashiki-shi, Okayama-ken 712 / JP
	06 / Suito, Masahito, c/o Mizushima Works ofDivision Kawasaki Steel Corp., 1, Mizushima-Kawaski-dori Kurashiki-shi, Okayama-ken 712 / JP
	[1993/26]
Representative(s)	Grünecker Patent- und Rechtsanwälte PartG mbB Leopoldstrasse 4 80802 München / DE
	[N/P]
Former [1993/26]	Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät Maximilianstrasse 58 D-80538 München / DE
Application number, filing date	92121682.6	21.12.1992
	[1993/26]
Priority number, date	JP19910340674	24.12.1991 Original published format: JP 34067491
	JP19920019065	04.02.1992 Original published format: JP 1906592
	JP19920031863	19.02.1992 Original published format: JP 3186392
	JP19920039454	26.02.1992 Original published format: JP 3945492
	JP19920094175	14.04.1992 Original published format: JP 9417592
	JP19920094176	14.04.1992 Original published format: JP 9417692
	JP19920153450	12.06.1992 Original published format: JP 15345092
	[1993/26]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0548868
	Date:	30.06.1993
	Language:	EN
	[1993/26]
	Type:	A3 Search report
	No.:	EP0548868
	Date:	07.09.1994
	Language:	EN
	[1994/36]
	Type:	B1 Patent specification
	No.:	EP0548868
	Date:	16.09.1998
	Language:	EN
	[1998/38]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	21.07.1994
Classification	IPC:	C21C7/10	[1993/26]
	CPC:	C21C7/10 (EP,KR,US)
Designated contracting states	BE, DE, FR, GB, SE [1993/26]
Title	German:	Verfahren zum Raffinieren von sehr reinem Stahl	[1993/26]
	English:	Method of refining of high purity steel	[1993/26]
	French:	Procédé de raffinage d'acier très pur	[1993/26]
Examination procedure	27.12.1993	Examination requested [1994/09]
	15.11.1996	Despatch of a communication from the examining division (Time limit: M04)
	21.03.1997	Reply to a communication from the examining division
	15.05.1997	Despatch of a communication from the examining division (Time limit: M04)
	22.09.1997	Reply to a communication from the examining division
	31.10.1997	Despatch of communication of intention to grant (Approval: Yes)
	10.03.1998	Communication of intention to grant the patent
	17.06.1998	Fee for grant paid
	17.06.1998	Fee for publishing/printing paid
Opposition(s)	17.06.1999	No opposition filed within time limit [1999/36]
Fees paid	Renewal fee
	30.12.1994	Renewal fee patent year 03
	29.12.1995	Renewal fee patent year 04
	24.12.1996	Renewal fee patent year 05
	30.12.1997	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	[AD]JPS63114918 ;
		[AD]JPS5392320 ;
		[AD]JPS589914 ;
		[A]JPH01301814 ;
		[A]DE3247757 (SUMITOMO METAL IND [JP]) [A] 3* page 13, line 11 - page 15, line 3 *;
		[X]EP0351762 (KAWASAKI STEEL CO [JP]) [X] 1 * claim 1 *;
		[A]EP0461415 (KAWASAKI STEEL CO [JP]) [A] 2 * claim 1 *;
		[E]EP0520085 (KAWASAKI STEEL CO [JP]) [E] 2 * claims 1,6 *
		[AD] - PATENT ABSTRACTS OF JAPAN, (19880926), vol. 12, no. 358, Database accession no. (C - 531)<3205>, & JP63114918 A 19880519 (SUMITOMO METAL IND) [AD] 1 * abstract *
		[AD] - PATENT ABSTRACTS OF JAPAN, (19781021), vol. 2, no. 126, Database accession no. (C - 25)<2582>, & JP53092320 A 19780814 (SHIN NIPPON SEITETSU) [AD] 1 * abstract *
		[AD] - PATENT ABSTRACTS OF JAPAN, (19830330), vol. 7, no. 77, Database accession no. (C - 159)<1222>, & JP58009914 A 19830120 (SUMITOMO KINZOKU KOGYO) [AD] 1 * abstract *
		[A] - PATENT ABSTRACTS OF JAPAN, (19900220), vol. 14, no. 90, Database accession no. (C - 691)<4033>, & JP01301814 A 19891206 (KAWASAKI STEEL) [A] 1 * abstract *
		[A] - W.PLUSCHKELL, "Metallurgische Reaktionstechnik .....", STAHL UND EISEN, DUSSELDORF DE, (19900515), vol. 110, no. 5, pages 61 - 70 [A] 1 * page 63, column L * * page 67, column R *
		[A] - N.N., "RH - Injection process .....", STEEL TIMES - INCORPORATING IRON & STEEL, LONDON GB, (198803), vol. 216, no. 3, page 143 [A] 1

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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