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Extract from the Register of European Patents

EP About this file: EP3705533

EP3705533 - SELF-SUPPORTING HYDROGEL AND METHOD FOR PRODUCING SAME [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  30.09.2022
Database last updated on 05.10.2024
FormerExamination is in progress
Status updated on  30.10.2020
FormerRequest for examination was made
Status updated on  07.08.2020
FormerThe international publication has been made
Status updated on  11.05.2019
Most recent event   Tooltip30.09.2022Application deemed to be withdrawnpublished on 02.11.2022  [2022/44]
Applicant(s)For all designated states
National University Corporation Gunma University
2 Aramaki-machi 4-chome
Maebashi-shi, Gunma 371-8510 / JP
[2020/37]
Inventor(s)01 / TAKENO, Hiroyuki
c/o NATIONAL UNIVERSITY CORPORATION GUNMA
UNIVERSITY
2 Aramaki-machi 4-chome
Maebashi-shi Gunma 371-8510 / JP
02 / NAGAI, Shiori
c/o NATIONAL UNIVERSITY CORPORATION GUNMA
UNIVERSITY
2 Aramaki-machi 4-chome
Maebashi-shi Gunma 371-8510 / JP
03 / NAKAMURA, Arisa
c/o NATIONAL UNIVERSITY CORPORATION GUNMA
UNIVERSITY
2 Aramaki-machi 4-chome
Maebashi-shi Gunma 371-8510 / JP
 [2020/37]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2020/37]
Application number, filing date18872422.305.11.2018
[2020/37]
WO2018JP41028
Priority number, dateJP2017021400206.11.2017         Original published format: JP 2017214002
[2020/37]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019088289
Date:09.05.2019
Language:JA
[2019/19]
Type: A1 Application with search report 
No.:EP3705533
Date:09.09.2020
Language:EN
[2020/37]
Search report(s)International search report - published on:JP09.05.2019
(Supplementary) European search report - dispatched on:EP06.10.2020
ClassificationIPC:C08L71/02, B01J13/00, C08J3/075, C08K3/34, C08K5/52
[2020/37]
CPC:
C08L71/02 (EP); C08J3/075 (EP,US); B01J13/00 (EP);
C08G65/08 (US); C08K3/34 (EP,US); C08K5/52 (EP,US);
C08J2371/02 (US) (-)
C-Set:
C08L71/02, C08K3/346 (EP)
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 [2020/37]
TitleGerman:SELBSTTRAGENDES HYDROGEL UND VERFAHREN ZU SEINER HERSTELLUNG[2020/37]
English:SELF-SUPPORTING HYDROGEL AND METHOD FOR PRODUCING SAME[2020/37]
French:HYDROGEL AUTOPORTANT ET PROCÉDÉ DE PRODUCTION ASSOCIÉ[2020/37]
Entry into regional phase03.06.2020Translation filed 
03.06.2020National basic fee paid 
03.06.2020Search fee paid 
03.06.2020Designation fee(s) paid 
03.06.2020Examination fee paid 
Examination procedure03.06.2020Examination requested  [2020/37]
30.10.2020Despatch of a communication from the examining division (Time limit: M04)
26.02.2021Reply to a communication from the examining division
01.06.2022Application deemed to be withdrawn, date of legal effect  [2022/44]
23.06.2022Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [2022/44]
Fees paidRenewal fee
13.11.2020Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
30.11.202104   M06   Not yet paid
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[A]JP2009274924  (NAT INST OF ADV IND & TECHNOL) [A] 1-15 * example 1; claims 1-5 *;
 [A]EP3070128  (NISSAN CHEMICAL IND LTD [JP], et al) [A] 1-15 * examples 1-13; claims 1-15 *;
 [X]  - HOSSEIN A BAGHDADI ET AL, "Long-term aging effects on the rheology of neat laponite and laponite-PEO dispersions", RHEOLOGICA ACTA, SPRINGER-VERLAG, DE, (20071218), vol. 47, no. 3, ISSN 1435-1528, pages 349 - 357, XP019589171 [X] 1-5,8,9,14,15 * Experimental section; page 350 * * figures 2b,e *
 [A]  - HIROYUKI TAKENO ET AL, "Molecularweight effects on tensile properties of blend hydrogels composed of clay and polymers", POLYMER, (2016), vol. 85, pages 47 - 54, XP002800360 [A] 1-15 * figures 1-5 *

DOI:   http://dx.doi.org/10.1016/j.polymer.2016.01.008
International search[A]KR20070040173  (GKL CO LTD [KR]) [A] 1-15 * , claims 1-5, table 1 (Family: none) *;
 [A]WO2011001657  (JAPAN SCIENCE & TECH AGENCY [JP], et al) [A] 1-15 * , claims 1-19 & US 2012/0101041 A1 claims 1-19 & EP 2450392 A1 *;
 [A]WO2011018995  (KAWAMURA INST CHEM RES [JP], et al) [A] 1-15 * , claims 1-14 & JP 2011-57962 A *;
 [A]WO2014046136  (NISSAN CHEMICAL IND LTD [JP], et al) [A] 1-15 * , entire text & US 2015/0267007 A1, whole document & EP 2899238 A1 & CN 104755560 A & TW 201431933 A & CN 108587223 A *;
 [A]WO2014046127  (NISSAN CHEMICAL IND LTD [JP], et al) [A] 1-15 * , entire text & US 2015/0274899 A1, whole document *;
 [A]US2015126665  (TAKENO HIROYUKI [JP], et al) [A] 1-15 * , entire text & US 2015/0152243 A1 & US 2014/0080955 A1 *;
 [PX]WO2018164003  (NISSAN CHEMICAL CORP [JP], et al) [PX] 1-6, 9, 14, 15* , claims 1-13, examples (Family: none) *;
 [A]  - BAGHDADI, A. HOSSEIN et al., "Long-term aging effects on the rheology of neat laponite and laponite-PEO dispersions", RHEOLOGICA ACTA, (20080000), vol. 47, no. 3, pages 349 - 357, XP019589171 [A] 1-15
 [A]  - MORARIU, SIMONA et al., "Effect of Temperature and Aging Time on the Rheological Behavior of Aqueous Poly(ethylene glycol)/Laponite RD Dispersions", THE JOURNAL OF PHYSICAL CHEMISTRY B, (20120000), vol. 116, doi:doi:10.1021/jp208136g, pages 48 - 54, XP055555139 [A] 1-15

DOI:   http://dx.doi.org/10.1021/jp208136g
by applicantJP2002053629
 JP2009274924
    - K. HARAGUCHI et al., Adv. Mater., (20020000), vol. 14, no. 16, page 1120
    - H. A. BAGHDADIJ. PARRELLAS. R. BHATIA, Rheol Acta, (20080000), vol. 47, pages 349 - 357
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.