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Extract from the Register of European Patents

EP About this file: EP2535369

EP2535369 - PROCESS FOR PRODUCING WATER-ABSORBING RESIN POWDER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.02.2022
Database last updated on 07.10.2024
FormerThe patent has been granted
Status updated on  19.02.2021
FormerGrant of patent is intended
Status updated on  01.11.2020
FormerExamination is in progress
Status updated on  19.10.2020
FormerGrant of patent is intended
Status updated on  28.06.2020
FormerExamination is in progress
Status updated on  06.02.2017
Most recent event   Tooltip06.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 09.10.2024 [2024/41]
Applicant(s)For all designated states
Nippon Shokubai Co., Ltd.
1-1, Koraibashi 4-chome Chuo-ku
Osaka-shi, Osaka 541-0043 / JP
[2012/51]
Inventor(s)01 / OKUDA, Sumio
c/o NIPPON SHOKUBAI CO. LTD.
992-1, Aza Nishioki
Okinohama
Aboshi-ku
Himeji-shi Hyogo 671-1292 / JP
02 / ISHIZAKI, Kunihiko
c/o NIPPON SHOKUBAI CO. LTD.
992-1, Aza Nishioki
Okinohama
Aboshi-ku
Himeji-shi Hyogo 671-1292 / JP
03 / WADA, Katsuyuki
c/o NIPPON SHOKUBAI CO. LTD.
992-1, Aza Nishioki
Okinohama
Aboshi-ku
Himeji-shi Hyogo 671-1292 / JP
 [2012/51]
Representative(s)Henkel & Partner mbB
Patentanwaltskanzlei, Rechtsanwaltskanzlei
Maximiliansplatz 21
80333 München / DE
[2021/12]
Former [2012/51]Henkel, Breuer & Partner
Patentanwälte
Maximiliansplatz 21
80333 München / DE
Application number, filing date11742329.310.02.2011
[2021/12]
WO2011JP52945
Priority number, dateJP2010002720210.02.2010         Original published format: JP 2010027202
[2012/51]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2011099586
Date:18.08.2011
Language:JA
[2011/33]
Type: A1 Application with search report 
No.:EP2535369
Date:19.12.2012
Language:EN
[2012/51]
Type: B1 Patent specification 
No.:EP2535369
Date:24.03.2021
Language:EN
[2021/12]
Search report(s)International search report - published on:JP18.08.2011
(Supplementary) European search report - dispatched on:EP05.11.2014
ClassificationIPC:C08J3/12, B01J20/26, C08J3/24
[2014/49]
CPC:
C08J3/12 (EP,US); B01J20/267 (EP,US); C08J3/245 (EP,US);
B01J2220/68 (EP,US); C08J2300/14 (EP,US)
Former IPC [2012/51]C08J3/12, B01J20/26
Designated contracting statesAL,   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,   RS,   SE,   SI,   SK,   SM,   TR [2012/51]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:HERSTELLUNGSVERFAHREN FÜR EIN WASSERABSORBIERENDES HARZPULVER[2012/51]
English:PROCESS FOR PRODUCING WATER-ABSORBING RESIN POWDER[2012/51]
French:PROCÉDÉ DE PRODUCTION D'UNE POUDRE DE RÉSINE ABSORBANT L'EAU[2012/51]
Entry into regional phase09.08.2012Translation filed 
09.08.2012National basic fee paid 
09.08.2012Search fee paid 
09.08.2012Designation fee(s) paid 
09.08.2012Examination fee paid 
Examination procedure09.08.2012Examination requested  [2012/51]
01.06.2015Amendment by applicant (claims and/or description)
28.09.2016Despatch of a communication from the examining division (Time limit: M06)
10.04.2017Reply to a communication from the examining division
30.08.2017Despatch of a communication from the examining division (Time limit: M04)
11.12.2017Reply to a communication from the examining division
22.12.2017Despatch of a communication from the examining division (Time limit: M02)
01.03.2018Reply to a communication from the examining division
13.03.2018Despatch of a communication from the examining division (Time limit: M04)
13.07.2018Reply to a communication from the examining division
29.06.2020Communication of intention to grant the patent
17.10.2020Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
02.11.2020Communication of intention to grant the patent
15.02.2021Fee for grant paid
15.02.2021Fee for publishing/printing paid
15.02.2021Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  28.09.2016
Opposition(s)04.01.2022No opposition filed within time limit [2022/10]
Fees paidRenewal fee
28.02.2013Renewal fee patent year 03
12.02.2014Renewal fee patent year 04
11.02.2015Renewal fee patent year 05
10.02.2016Renewal fee patent year 06
10.02.2017Renewal fee patent year 07
14.02.2018Renewal fee patent year 08
13.02.2019Renewal fee patent year 09
13.02.2020Renewal fee patent year 10
12.02.2021Renewal fee patent year 11
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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  TooltipHU10.02.2011
AL24.03.2021
AT24.03.2021
CY24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
IT24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
MK24.03.2021
MT24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
[2024/41]
Former [2024/22]HU10.02.2011
AL24.03.2021
AT24.03.2021
CY24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
IT24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
MK24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2024/20]HU10.02.2011
AL24.03.2021
AT24.03.2021
CY24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
IT24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2024/18]HU10.02.2011
AL24.03.2021
AT24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
IT24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2023/10]AL24.03.2021
AT24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
IT24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2022/44]AL24.03.2021
AT24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
MC24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2022/23]AL24.03.2021
AT24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2022/13]AL24.03.2021
AT24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SI24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
PT26.07.2021
IS23.12.2021
Former [2022/10]AL24.03.2021
AT24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
PT26.07.2021
IS23.12.2021
Former [2022/08]AL24.03.2021
AT24.03.2021
CZ24.03.2021
DK24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2022/07]AL24.03.2021
AT24.03.2021
CZ24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
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NL24.03.2021
PL24.03.2021
RO24.03.2021
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SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2021/52]AT24.03.2021
CZ24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
PL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2021/51]AT24.03.2021
CZ24.03.2021
EE24.03.2021
ES24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
IS24.07.2021
PT26.07.2021
Former [2021/50]AT24.03.2021
CZ24.03.2021
EE24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
RO24.03.2021
RS24.03.2021
SE24.03.2021
SK24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
PT26.07.2021
Former [2021/48]AT24.03.2021
CZ24.03.2021
EE24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
RS24.03.2021
SE24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/46]AT24.03.2021
FI24.03.2021
HR24.03.2021
LT24.03.2021
LV24.03.2021
NL24.03.2021
RS24.03.2021
SE24.03.2021
SM24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/43]FI24.03.2021
HR24.03.2021
LV24.03.2021
NL24.03.2021
RS24.03.2021
SE24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/38]FI24.03.2021
HR24.03.2021
LV24.03.2021
RS24.03.2021
SE24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/37]FI24.03.2021
HR24.03.2021
LV24.03.2021
RS24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/36]FI24.03.2021
HR24.03.2021
BG24.06.2021
NO24.06.2021
GR25.06.2021
Former [2021/35]FI24.03.2021
HR24.03.2021
NO24.06.2021
Former [2021/33]FI24.03.2021
NO24.06.2021
Documents cited:Search[X]EP1422257  (NIPPON CATALYTIC CHEM IND [JP]) [X] 1-7,9-15 * paragraphs [0007] - [0099]; example -; claim - *;
 [X]EP1426402  (NIPPON CATALYTIC CHEM IND [JP]) [X] 1-7,9-15 * paragraphs [0001] , [0011] - [0157]; example -; claim - *;
 [XD]WO2004069293  (NIPPON CATALYTIC CHEM IND [JP], et al) [XD] 1-7,9-15 * page 8, line 8 - page 12, line 15 * * page 17, line 13 - page 60, line 22; examples 11-17,21; claim - *;
 [X]WO2005056177  (NIPPON CATALYTIC CHEM IND [JP], et al) [X] 1-7,9-15 * page 5, line 20 - page 40, line 11; example -; claim - *;
 [XDP]EP2189478  (NIPPON CATALYTIC CHEM IND [JP]) [XDP] 1-7,9-15 * paragraphs [0001] , [0019] - [0044]; examples 13,14; claim - *;
 [XP]EP2258749  (NIPPON CATALYTIC CHEM IND [JP]) [XP] 1-7,9-15* paragraphs [0006] - [0147]; example -; claim - *;
 [E]EP2479195  (NIPPON CATALYTIC CHEM IND [JP]) [E] 1-15 * paragraphs [0001] , [001O] - [0172]; example -; claim - *
International search[X]JP2004197087  (NIPPON CATALYTIC CHEM IND);
 [Y]JP2006198529  (TECHNO RYOWA LTD);
 [X]WO2009119756  (NIPPON CATALYTIC CHEM IND [JP], et al)
by applicantUS4734478
 US4755562
 US4783510
 US4824901
 EP0349240
 US4893999
 US5140076
 EP0534228
 US5206205
 EP0603292
 US5409771
 US5422405
 US5610208
 US5669894
 US5672633
 US6071976
 US6164455
 US6228930
 US6239230
 US6241928
 US6254990
 US6265488
 US6297319
 US6372852
 US6472478
 US6503979
 US6514615
 US6559239
 US6605673
 US6620899
 US6620889
 US6657015
 US6710141
 US6720389
 US6809158
 US2004240316
 JP2004345804
 JP2004352941
 US2005016393
 US2005029352
 US2005048221
 US2005070671
 US6906159
 US2005215734
 US2005288182
 US6987151
 US2006034806
 US2006057389
 US2006074816
 US2006073969
 WO2006082188
 WO2006082189
 WO2006082197
 US7091253
 US7098284
 WO2006111402
 WO2006111403
 WO2006111404
 US7157141
 US7183456
 US2007078231
 US2007106013
 WO2007065840
 US2007149760
 US2007161759
 EP1824910
 WO2007104657
 WO2007104673
 WO2007104676
 WO2007121037
 US2007293632
 US7312278
 WO2008009843
 WO2008009842
 US2008037672
 US2008037673
 US2008037675
 WO2008037672
 WO2008037675
 US7378453
 US2008123477
 US7473739
 WO2009028568
 US2010032694
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.