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EP1164147

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Extract from the Register of European Patents

EP About this file: EP1164147

EP1164147 - Continuous process for preparing superabsorbent polymers from PAN-emulsions [Right-click to bookmark this link]
Former [2001/51]	Continuous process for preparing superabsorbent polymers from PAN-emulsions and the polymers obtained
	[2004/03]
Status	No opposition filed within time limit Status updated on 22.07.2005 Database last updated on 26.03.2026
Most recent event Tooltip	03.08.2007	Lapse of the patent in a contracting state New state(s): IT	published on 05.09.2007 [2007/36]
Applicant(s)	For all designated states Bayer MaterialScience AG 51368 Leverkusen / DE
	[N/P]
Former [2004/40]	For all designated states Bayer MaterialScience AG 51368 Leverkusen / DE
Former [2001/51]	For all designated states BAYER AG 51368 Leverkusen / DE
Inventor(s)	01 / Sackmann, Günter, Dr. Friedenberger Strasse 11 51379 Leverkusen / DE
	02 / Meyer, Rolf-Volker, Dr. Heinenbusch 6 53804 Much / DE
	03 / Schapowalow, Sergej, Dr. ul. Bezymjannaja 8-54 410010 Saratov / RU
	04 / Bayburdov, Telman, Dr. ul. Lesnaja 1-225 410048 Saratov / RU
	05 / Nakonetschny, Jgor ul. Sapernaja 12-31 410065 Saratov / RU
	[2001/51]
Application number, filing date	01112930.1	06.06.2001
	[2001/51]
Priority number, date	DE2000129876	16.06.2000 Original published format: DE 10029876
	[2001/51]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP1164147
	Date:	19.12.2001
	Language:	DE
	[2001/51]
	Type:	B1 Patent specification
	No.:	EP1164147
	Date:	15.09.2004
	Language:	DE
	[2004/38]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	14.09.2001
Classification	IPC:	C08F8/12, C08F8/44, A61L15/60, A61F13/20	[2001/51]
	CPC:	A61F13/53 (EP,US); C08F8/44 (EP,US); A61F2013/530481 (EP,US); Y02A30/14 (EP,US)
	C-Set:	C08F8/44, C08F8/12, C08F120/44 (EP,US)
Designated contracting states	DE, ES, FR, GB, IT [2002/37]
Former [2001/51]	AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE, TR
Title	German:	Verfahren zur kontinuierlichen Herstellung von superabsorbierenden Polymerisaten aus PAN-Emulsionen	[2004/03]
	English:	Continuous process for preparing superabsorbent polymers from PAN-emulsions	[2004/03]
	French:	Procédé en continue pour la préparation de polymères superabsorbants	[2004/03]
	Former [2001/51]	Verfahren zur kontinuierlichen Herstellung von superabsorbierenden Polymerisaten aus PAN-Emulsionen sowie die hierbei erhaltenen Polymerisate
	Former [2001/51]	Continuous process for preparing superabsorbent polymers from PAN-emulsions and the polymers obtained
	Former [2001/51]	Procédé en continue pour la préparation de polymères superabsorbants ainsi que les polymères obtenus
Examination procedure	19.06.2002	Examination requested [2002/34]
	05.05.2003	Despatch of a communication from the examining division (Time limit: M06)
	29.07.2003	Reply to a communication from the examining division
	02.03.2004	Communication of intention to grant the patent
	12.07.2004	Fee for grant paid
	12.07.2004	Fee for publishing/printing paid
Opposition(s)	16.06.2005	No opposition filed within time limit [2005/36]
Fees paid	Renewal fee
	30.06.2003	Renewal fee patent year 03
	30.06.2004	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	FR	15.09.2004
	IT	15.09.2004
	ES	26.12.2004
	GB	06.06.2005
	[2007/36]
Former [2006/35]	FR	15.09.2004
	ES	26.12.2004
	GB	06.06.2005
Former [2006/32]	FR	15.09.2004
	ES	26.12.2004
Former [2005/27]	ES	26.12.2004
Documents cited:	Search	[DA] EP0783005 (BAYER AG et al.) [DA] 1-12 * example 1; claim 1 *
		[A] EP0019681 (HOECHST AG et al.) [A] 1-12 * example 1; claim 1 *
		[DX] EP0670335 (BAYER AG et al.) [DX] 10-12 * example 1; table 1 *
		[DX] EP0697416 (BAYER AG et al.) [DX] 10-12 * example 1; table 1 *

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