Register information Patent

DE file number : 50 2009 011 991.7 (Status: pending/in force, Query started: August 9, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INID	Criterion	Field	Content
	Type of IP right	SART	Patent
	Status	ST	Pending/in force
21	DE file number	DAKZ	50 2009 011 991.7
96	EP file number	EAKZ	09 73 8002.6
86	WO file number	WAKZ	PCT/EP2009/054369
97	EP publication number	EPN	2274087
87	WO publication number	WPN	2009132958
54	Designation/title	TI	VERFAHREN ZUR HERSTELLUNG WASSERABSORBIERENDER POLYMERPARTIKEL
51	IPC main class	ICM (ICMV)	B01F 27/72 (2022.01)
51	IPC secondary class(es)	ICS (ICSV)	C08F 220/06 (2006.01)
22	DE application date	DAT	Apr 14, 2009
96	EP application date	EAT	Apr 14, 2009
86	WO application date	WAT	Apr 14, 2009
43	Date of first publication	OT	Nov 5, 2009
	Date of publication of grant	PET	Jan 6, 2016
71/73	Applicant/owner	INH	BASF SE, 67063 Ludwigshafen, DE
72	Inventor	IN	WEISMANTEL, Matthias, 63637 Jossgrund, DE; FUNK, Rüdiger, 65527 Niedernhausen, DE; BECKER, Ann, B-2150 Borsbeek, BE; VAN MIERT, Leo, B-2950 Kapellen, BE
	Address for service		BASF SE Patente, Marken und Lizenzen, 67056 Ludwigshafen, DE
33 31 32	Foreign priority	PRC PRNA PRDA	EP 08155507 Apr 30, 2008
	Due date	FT FG	Apr 30, 2026 Annual fee for the 18th year Patent fees
	Patent division in charge		45
97	EP language of publication	ELANG	DE - Deutsch
84	Designated EP contracting states	EDS	AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, TR
81	Designated WO countries	WDS	AL, RS, BA
	Published EP/WO documents	EPWOPN	Original document: EP000002274087 Searchable text: EP000002274087 Original document: EP000002274087B1 Searchable text: EP000002274087B1 Original document: WO002009132958 Searchable text: WO002009132958
43	Date of first publication	EVT	Nov 5, 2009
	Date of the first transfer into DPMAregister	EREGT	May 27, 2011
	Date of the (most recent) update in DPMAregister	REGT	May 9, 2025 (Show all update days)(Hide all update days) May 9, 2025 Due date: changed Procedures: Procedure relating to EP application, EPO publication of mention of grant , 06.01.2016: new Procedures: Procedure relating to EP application, EPO publication of mention of grant , 06.01.2016: deleted May 27, 2011 Date of the first transfer into DPMAregister

Procedural data
No.	Kind of procedure	Legal status	Date of legal/procedural status	Publication date	Alle Details anzeigen
1	Procedure relating to PCT application	WO first publication without search report	Nov 5, 2009		Details anzeigen
2	Procedure relating to PCT application	WO publication	Nov 5, 2009		Details anzeigen
3	Change of classification	Change of IPC main class	Dec 21, 2010	Jan 5, 2022	Details anzeigen
4	Procedure relating to EP application	EPO 1st publication	Jan 19, 2011		Details anzeigen
5	Procedure relating to EP application	EPO publication of search report	Jan 19, 2011		Details anzeigen
6	Publications	Publication of a mention regarding EP 1st publication by DPMA	Mar 3, 2011	Mar 3, 2011	Details anzeigen
7	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Jan 6, 2016		Details anzeigen
8	Publications	Publication by DPMA of mention regarding EP patent grant	Feb 18, 2016	Feb 18, 2016	Details anzeigen
9	Opposition procedure	Opposition to patent filed	Oct 5, 2016	Dec 22, 2016	Details anzeigen
10	Opposition procedure	Patent maintained full by EPO	Feb 1, 2018		Details anzeigen
11	Opposition procedure	Decision by EPO to maintain patent in full has become final	Feb 1, 2018	Aug 16, 2018	Details anzeigen
12	Change of classification	Change of IPC main class	Nov 26, 2021	Jan 5, 2022	Details anzeigen

View procedures Procedure relating to PCT application (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to PCT application
Legal/procedural status	VST	WO first publication without search report
Date of legal/procedural status	VSTT	Nov 5, 2009

View procedures Procedure relating to PCT application (No.: 2)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to PCT application
Legal/procedural status	VST	WO publication
Date of legal/procedural status	VSTT	Nov 5, 2009

View procedures Change of classification (No.: 3)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Change of classification
	Legal/procedural status	VST	Change of IPC main class
	Date of legal/procedural status	VSTT	Dec 21, 2010
	Issue number	HN	1
	Year	PJ	2022
	Publication date	VT	Jan 5, 2022
	Type of publication	PART	Bibliographic data
	Part	HT	Part 3
51	IPC main class	ICM (ICMV)	B01F 7/08 (2006.01)
51	Previous IPC main class	ICMF (ICMVF)	B01F 7/08 (2006.01)
	Date of update of the procedure	REGT	Jan 5, 2022

View procedures Procedure relating to EP application (No.: 4)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO 1st publication
Date of legal/procedural status	VSTT	Jan 19, 2011

View procedures Procedure relating to EP application (No.: 5)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of search report
Date of legal/procedural status	VSTT	Jan 19, 2011

View procedures Publications (No.: 6)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication of a mention regarding EP 1st publication by DPMA
Date of legal/procedural status	VSTT	Mar 3, 2011
Issue number	HN	9
Year	PJ	2011
Publication date	VT	Mar 3, 2011
Type of publication	PART	Bibliographic data

View procedures Procedure relating to EP application (No.: 7)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of mention regarding patent grant (beginning of opposition period)
Date of legal/procedural status	VSTT	Jan 6, 2016
Date of update of the procedure	REGT	May 9, 2025

View procedures Publications (No.: 8)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication by DPMA of mention regarding EP patent grant
Date of legal/procedural status	VSTT	Feb 18, 2016
Issue number	HN	7
Year	PJ	2016
Publication date	VT	Feb 18, 2016
Type of publication	PART	Bibliographic data
Part	HT	Part 5

View procedures Opposition procedure (No.: 9)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Opposition to patent filed
Date of legal/procedural status	VSTT	Oct 5, 2016
Issue number	HN	51
Year	PJ	2016
Publication date	VT	Dec 22, 2016
Type of publication	PART	Bibliographic data
Part	HT	Part 3

View procedures Opposition procedure (No.: 10)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Patent maintained full by EPO
Date of legal/procedural status	VSTT	Feb 1, 2018
Date of update of the procedure	REGT	Apr 30, 2022

View procedures Opposition procedure (No.: 11)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Decision by EPO to maintain patent in full has become final
Date of legal/procedural status	VSTT	Feb 1, 2018
Issue number	HN	33
Year	PJ	2018
Publication date	VT	Aug 16, 2018
Type of publication	PART	Bibliographic data
Part	HT	Part 3
Date of update of the procedure	REGT	Apr 30, 2022

View procedures Change of classification (No.: 12)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Change of classification
	Legal/procedural status	VST	Change of IPC main class
	Date of legal/procedural status	VSTT	Nov 26, 2021
	Issue number	HN	1
	Year	PJ	2022
	Publication date	VT	Jan 5, 2022
	Type of publication	PART	Bibliographic data
	Part	HT	Part 3
51	IPC main class	ICM (ICMV)	B01F 27/72 (2022.01)
51	Previous IPC main class	ICMF (ICMVF)	B01F 7/08 (2006.01)
	Date of update of the procedure	REGT	Jan 5, 2022