blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP1800740

EP1800740 - Method for manufacturing water-absorbing resin [Right-click to bookmark this link]
Former [2007/26]Method for manufacturing water-absorbing resin via surface crosslinking
[2021/31]
StatusNo opposition filed within time limit
Status updated on  14.10.2022
Database last updated on 02.11.2024
FormerThe patent has been granted
Status updated on  05.11.2021
FormerGrant of patent is intended
Status updated on  18.07.2021
FormerExamination is in progress
Status updated on  08.11.2019
Most recent event   Tooltip02.12.2022Lapse of the patent in a contracting statepublished on 04.01.2023  [2023/01]
Applicant(s)For all designated states
Nippon Shokubai Co., Ltd.
1-1, Koraibashi 4-chome, Chuo-ku
Osaka-shi, Osaka 541-0043 / JP
[2007/26]
Inventor(s)01 / Kadonaga, Kenji
915-9, Nakatsu Kakogawa-cho
Kakogawa-shi, Hyogo 675-0068 / JP
02 / Dairoku, Yorimichi
2-25, Nakahama-cho, Shikama-ku
Himeji-shi, Hyogo 672-8085 / JP
03 / Fujino, Shin-ichi
550-4, Hamada,Aboshi-ku
Himeji-shi, Hyogo 671-1242 / JP
04 / Okochi, Hiroko
11-105, Waku, Aboshi-ku
Himeji-shi, Hyogo 671-1227 / JP
05 / Irie, Yoshio
3253-3, Funatsu-cho
Himeji-shi, Hyogo 679-2101 / JP
06 / Tahara, Hideyuki
3-1-49, Minamieguchi, Higashiyodogawa-ku
Osaka-shi, Osaka 533-0003 / JP
 [2007/26]
Representative(s)Beck, Josef
Patentanwaltskanzlei
Wilhelm & Beck
Prinzenstrasse 13
80639 München / DE
[2021/49]
Former [2007/26]Beck, Josef
Patentanwaltskanzlei Wilhelm & Beck Prinzenstrasse 13
80639 München / DE
Application number, filing date06026348.019.12.2006
[2007/26]
Priority number, dateJP2005037085822.12.2005         Original published format: JP 2005370858
JP2006019331813.07.2006         Original published format: JP 2006193318
[2007/26]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1800740
Date:27.06.2007
Language:EN
[2007/26]
Type: A3 Search report 
No.:EP1800740
Date:26.12.2007
[2007/52]
Type: B1 Patent specification 
No.:EP1800740
Date:08.12.2021
Language:EN
[2021/49]
Search report(s)(Supplementary) European search report - dispatched on:EP26.11.2007
ClassificationIPC:B01J8/10, C08J3/12, C08J3/20, B01F7/00, B01F7/10, C08J3/24
[2021/31]
CPC:
B01J8/10 (EP,US); B01F27/115 (EP,US); B01F27/1152 (EP,US);
B01F27/73 (EP,US); C08J3/245 (EP,US); B01J2208/00212 (EP,US);
B01J2208/00867 (EP,US); B01J2219/182 (EP,US); Y10S524/916 (EP,US) (-)
Former IPC [2007/49]B01J8/10, B01F7/10, B01F7/00, C08J3/20, C08J3/12
Former IPC [2007/26]B01J8/10, B01F7/10, B01F7/00, C08J3/20
Designated contracting statesBE,   DE [2021/49]
Former [2008/36]BE,  DE 
Former [2007/26]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Verfahren zur Herstellung von wasserabsorbierendem Harz[2021/31]
English:Method for manufacturing water-absorbing resin[2021/31]
French:Méthode de préparation d'une résine absorbant l'eau[2021/31]
Former [2007/26]Verfahren zur Herstellung von wasserabsorbierendem Harz mittels Oberflächenvernetzung
Former [2007/26]Method for manufacturing water-absorbing resin via surface crosslinking
Former [2007/26]Procédé de fabrication de résine absorbant l'eau via réticulation en surface
Examination procedure30.05.2008Examination requested  [2008/29]
27.06.2008Loss of particular rights, legal effect: designated state(s)
03.07.2008Despatch of a communication from the examining division (Time limit: M04)
30.07.2008Despatch of communication of loss of particular rights: designated state(s) AT, BG, CH, CY, CZ, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR
11.11.2008Reply to a communication from the examining division
14.10.2010Despatch of a communication from the examining division (Time limit: M04)
22.02.2011Reply to a communication from the examining division
13.11.2019Despatch of a communication from the examining division (Time limit: M06)
20.05.2020Reply to a communication from the examining division
15.12.2020Despatch of a communication from the examining division (Time limit: M04)
23.04.2021Reply to a communication from the examining division
19.07.2021Communication of intention to grant the patent
02.11.2021Fee for grant paid
02.11.2021Fee for publishing/printing paid
02.11.2021Receipt of the translation of the claim(s)
Divisional application(s)EP10176778.8  / EP2269720
The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  03.07.2008
Opposition(s)09.09.2022No opposition filed within time limit [2022/46]
Fees paidRenewal fee
15.12.2008Renewal fee patent year 03
11.12.2009Renewal fee patent year 04
15.12.2010Renewal fee patent year 05
12.12.2011Renewal fee patent year 06
11.12.2012Renewal fee patent year 07
12.12.2013Renewal fee patent year 08
11.12.2014Renewal fee patent year 09
10.12.2015Renewal fee patent year 10
13.12.2016Renewal fee patent year 11
12.12.2017Renewal fee patent year 12
12.12.2018Renewal fee patent year 13
13.12.2019Renewal fee patent year 14
14.12.2020Renewal fee patent year 15
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  TooltipBE31.12.2021
[2023/01]
Documents cited:Search[XDY]JP2004352941  (NIPPON CATALYTIC CHEM IND) [XD] 1,2,13-17 * abstract * * paragraph [0011] * * paragraph [0013] - paragraph [0014] * * paragraph [0023]; figure 4; claim 1 * * example - * [Y] 7-12;
 [XY]EP1462473  (NIPPON CATALYTIC CHEM IND [JP]) [X] 1,2,13-17 * abstract * * paragraph [0013] - paragraph [0020] * * paragraph [0036] - paragraph [0060] * * paragraph [0083] - paragraph [0086]; figure -; example - * [Y] 7-12;
 [XY]EP0450923  (NIPPON CATALYTIC CHEM IND [JP]) [X] 1,14-17 * abstract * * page 3, line 23 - line 29 * * page 4, line 1 - line 45 * * page 5, line 12 - line 31 * * page 6, line 47 - page 7, line 13; example - * [Y] 7,9,11,12;
 [XY]US2004242761  (DAIROKU YORIMICHI [JP], et al) [X] 1,3-7,9,11-17 * abstract * * paragraph [0023] * * paragraph [0026] * * paragraph [0078] - paragraph [0085]; example 1 * [Y] 7,9,11,12;
 [X]US6300423  (ENGELHARDT FRIEDRICH [DE], et al) [X] 3-6 * abstract * * column 1, line 8 - line 13 * * column 1, line 33 - line 35 * * column 1, line 54 - column 2, line 52; example -; claim - *;
 [XY]EP0695763  (AMCOL INTERNATIONAL CORP [US]) [X] 3-6 * abstract * * column 2, line 47 - column 3, line 39 * * column 5, line 8 - column 6, line 46; claim - * [Y] 7-12;
 [A]EP0629411  (SANYO CHEMICAL IND LTD [JP]) [A] 3-6 * abstract * * example -; claim - *;
 [A]US3259374  (HANS DOEBL, et al) [A] * column 1, line 11 - line 41 * * column 2, line 23 - line 43 * * column 3, line 25 - column 4, line 68; figures 1-5 *;
 [A]US3346242  (HEINZ LIST) [A] * abstract * * column 2, line 4 - line 18 *;
 [A]US5656087  (KIKUCHI YUJI [JP], et al) [A] * abstract *
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.