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EP About this file: EP0534436

EP0534436 - Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 20.06.1997 Database last updated on 24.08.2024
Most recent event Tooltip	07.12.2007	Lapse of the patent in a contracting state New state(s): ES	published on 09.01.2008 [2008/02]
Applicant(s)	For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP
	[N/P]
Former [1993/13]	For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP
Inventor(s)	01 / Usuki, Masahiro 3-3-24, Shittechuo Kamisu-machi, Kashima-gun, Ibaraki-ken / JP
	02 / Ueno, Susumu 3-9809-7, Doaihon-cho Hazaki-machi, Kashima-gun, Ibaraki-ken / JP
	[1993/13]
Representative(s)	von Füner, Alexander, et al v. Füner Ebbinghaus Finck Hano Mariahilfplatz 2 & 3 81541 München / DE
	[N/P]
Former [1993/13]	von Füner, Alexander, Dr., et al Patentanwälte v. Füner, Ebbinghaus, Finck Mariahilfplatz 2 & 3 D-81541 München / DE
Application number, filing date	92116378.8	24.09.1992
	[1993/13]
Priority number, date	JP19910271948	24.09.1991 Original published format: JP 27194891
	JP19910271949	24.09.1991 Original published format: JP 27194991
	[1993/13]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0534436
	Date:	31.03.1993
	Language:	EN
	[1993/13]
	Type:	B1 Patent specification
	No.:	EP0534436
	Date:	14.08.1996
	Language:	EN
	[1996/33]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	19.01.1993
Classification	IPC:	C08F2/00, C08K5/18	[1993/13]
	CPC:	C08F2/004 (EP,US); C08F2/00 (KR)
Designated contracting states	BE, DE, ES, FR, GB, GR, IT, NL, PT, SE [1993/13]
Title	German:	Mittel zur Verhinderung von Polymerablagerungen, Polymerisationsreaktor bei dem Polymerablagerungen verhindert werden und Verfahren zur Herstellung von Polymer durch Benutzung dieses Reaktors	[1993/13]
	English:	Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel	[1993/13]
	French:	Agent anti-dépôt de polymères, réacteur de polymérisation susceptible de prévenir le dépôt de polymères, et procédé de polymérisation utilisant ce réacteur	[1993/13]
Examination procedure	24.09.1993	Examination requested [1993/46]
	09.02.1995	Despatch of a communication from the examining division (Time limit: M06)
	14.08.1995	Reply to a communication from the examining division
	10.11.1995	Despatch of communication of intention to grant (Approval: Yes)
	15.02.1996	Communication of intention to grant the patent
	15.04.1996	Fee for grant paid
	15.04.1996	Fee for publishing/printing paid
Opposition(s)	15.05.1997	No opposition filed within time limit [1997/32]
Fees paid	Renewal fee
	28.09.1994	Renewal fee patent year 03
	28.09.1995	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	BE	14.08.1996
	ES	14.08.1996
	GR	14.08.1996
	IT	14.08.1996
	GB	14.11.1996
	SE	14.11.1996
	DE	15.11.1996
	[2002/25]
Former [2000/05]	BE	14.08.1996
	GR	14.08.1996
	IT	14.08.1996
	GB	14.11.1996
	SE	14.11.1996
	DE	15.11.1996
Former [1999/42]	BE	14.08.1996
	IT	14.08.1996
	GB	14.11.1996
	SE	14.11.1996
	DE	15.11.1996
Former [1997/42]	BE	14.08.1996
	GB	14.11.1996
	SE	14.11.1996
	DE	15.11.1996
Former [1997/24]	BE	14.08.1996
	SE	14.11.1996
	DE	15.11.1996
Former [1997/18]	SE	14.11.1996
	DE	15.11.1996
Former [1997/17]	DE	15.11.1996
Documents cited:	Search	[X]EP0317306 (KANEGAFUCHI CHEMICAL IND [JP]);
		[A]FR2383199 (ICI AUSTRALIA LTD [AT])

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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