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Extract from the Register of European Patents

EP About this file: EP2415821

EP2415821 - PROCESS FOR PRODUCING CELLULOSE GEL DISPERSION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.02.2020
Database last updated on 19.04.2025
FormerThe patent has been granted
Status updated on  08.03.2019
FormerGrant of patent is intended
Status updated on  25.09.2018
Most recent event   Tooltip08.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 10.08.2022  [2022/32]
Applicant(s)For all designated states
Nippon Paper Industries Co., Ltd.
4-1, Oji 1-chome Kita-ku
Tokyo 114-0002 / JP
[2012/06]
Inventor(s)01 / MIYAWAKI, Shoichi
c/o Nippon Paper Industries Co. Ltd.
Pulp and Paper Research Laboratory
21-1 Oji 5-chome
Kita-ku
Tokyo 114-0002 / JP
02 / KATSUKAWA, Shiho
c/o Nippon Paper Industries Co. Ltd.
Pulp and Paper Research Laboratory
21-1 Oji 5-chome
Kita-ku
Tokyo 114-0002 / JP
03 / ABE, Hiroshi
c/o Nippon Paper Industries Co. Ltd.
Pulp and Paper Research Laboratory
21-1 Oji 5-chome
Kita-ku
Tokyo 114-0002 / JP
04 / IIJIMA, Yuko
c/o Nippon Paper Industries Co. Ltd.
Pulp and Paper Research Laboratory
21-1 Oji 5-chome
Kita-ku
Tokyo 114-0002 / JP
05 / ISOGAI, Akira
26-10-1306 Honkomagome 1-chome
Bunkyo-ku
Tokyo 113-0021 / JP
 [2012/06]
Representative(s)Hamer, Christopher K., et al
Mathys & Squire The Shard
32 London Bridge Street
London SE1 9SG / GB
[N/P]
Former [2019/15]Hamer, Christopher K., et al
Mathys & Squire LLP The Shard
32 London Bridge Street
London SE1 9SG / GB
Former [2012/06]Hamer, Christopher K., et al
Mathys & Squire LLP 120 Holborn London
EC1N 2SQ / GB
Application number, filing date10761497.616.02.2010
[2019/15]
WO2010JP52278
Priority number, dateJP2009008271230.03.2009         Original published format: JP 2009082712
[2012/06]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2010116795
Date:14.10.2010
Language:JA
[2010/41]
Type: A1 Application with search report 
No.:EP2415821
Date:08.02.2012
Language:EN
[2012/06]
Type: B1 Patent specification 
No.:EP2415821
Date:10.04.2019
Language:EN
[2019/15]
Search report(s)International search report - published on:JP14.10.2010
(Supplementary) European search report - dispatched on:EP07.03.2017
ClassificationIPC:C08J3/05, C08J3/075, C08B15/02
[2017/14]
CPC:
C08J3/075 (EP,US); C08B15/02 (EP,US); C08J3/05 (EP,US);
C08J2301/04 (EP,US)
Former IPC [2012/06]C08J3/075, D21H11/20
Designated contracting statesAT,   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,   SM,   TR [2012/06]
Extension statesALNot yet paid
BANot yet paid
RSNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINER ZELLULOSEGELDISPERSION[2012/06]
English:PROCESS FOR PRODUCING CELLULOSE GEL DISPERSION[2012/06]
French:PROCÉDÉ POUR PRODUIRE UNE DISPERSION DE GEL DE CELLULOSE[2012/06]
Entry into regional phase12.09.2011Translation filed 
12.09.2011National basic fee paid 
12.09.2011Search fee paid 
12.09.2011Designation fee(s) paid 
12.09.2011Examination fee paid 
Examination procedure12.09.2011Examination requested  [2012/06]
20.09.2017Amendment by applicant (claims and/or description)
26.09.2018Communication of intention to grant the patent
24.01.2019Fee for grant paid
24.01.2019Fee for publishing/printing paid
24.01.2019Receipt 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  26.09.2018
Opposition(s)13.01.2020No opposition filed within time limit [2020/12]
Fees paidRenewal fee
29.02.2012Renewal fee patent year 03
26.02.2013Renewal fee patent year 04
28.02.2014Renewal fee patent year 05
27.02.2015Renewal fee patent year 06
25.02.2016Renewal fee patent year 07
27.02.2017Renewal fee patent year 08
26.02.2018Renewal fee patent year 09
26.02.2019Renewal fee patent year 10
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  TooltipHU16.02.2010
AT10.04.2019
CY10.04.2019
CZ10.04.2019
DK10.04.2019
EE10.04.2019
ES10.04.2019
HR10.04.2019
IT10.04.2019
LT10.04.2019
LV10.04.2019
MC10.04.2019
MK10.04.2019
MT10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
SI10.04.2019
SK10.04.2019
SM10.04.2019
TR10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
[2022/32]
Former [2022/27]HU16.02.2010
AT10.04.2019
CY10.04.2019
CZ10.04.2019
DK10.04.2019
EE10.04.2019
ES10.04.2019
HR10.04.2019
IT10.04.2019
LT10.04.2019
LV10.04.2019
MC10.04.2019
MT10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
SI10.04.2019
SK10.04.2019
SM10.04.2019
TR10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/49]AT10.04.2019
CZ10.04.2019
DK10.04.2019
EE10.04.2019
ES10.04.2019
HR10.04.2019
IT10.04.2019
LT10.04.2019
LV10.04.2019
MC10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
SI10.04.2019
SK10.04.2019
SM10.04.2019
TR10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/25]AT10.04.2019
CZ10.04.2019
DK10.04.2019
EE10.04.2019
ES10.04.2019
HR10.04.2019
IT10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
SI10.04.2019
SK10.04.2019
SM10.04.2019
TR10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/17]AT10.04.2019
CZ10.04.2019
DK10.04.2019
EE10.04.2019
ES10.04.2019
HR10.04.2019
IT10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
SK10.04.2019
SM10.04.2019
TR10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/14]AT10.04.2019
CZ10.04.2019
DK10.04.2019
EE10.04.2019
ES10.04.2019
HR10.04.2019
IT10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
SK10.04.2019
SM10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/12]AT10.04.2019
CZ10.04.2019
DK10.04.2019
EE10.04.2019
ES10.04.2019
HR10.04.2019
IT10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
SK10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/11]AT10.04.2019
CZ10.04.2019
DK10.04.2019
EE10.04.2019
ES10.04.2019
HR10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
SK10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/10]AT10.04.2019
CZ10.04.2019
DK10.04.2019
ES10.04.2019
HR10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
RO10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/09]AT10.04.2019
CZ10.04.2019
DK10.04.2019
ES10.04.2019
HR10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/04]AT10.04.2019
ES10.04.2019
HR10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
IS10.08.2019
PT10.09.2019
Former [2020/03]AT10.04.2019
ES10.04.2019
HR10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
PT10.09.2019
Former [2019/52]ES10.04.2019
HR10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
PL10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
PT10.09.2019
Former [2019/51]ES10.04.2019
HR10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
BG10.07.2019
NO10.07.2019
GR11.07.2019
PT10.09.2019
Former [2019/50]ES10.04.2019
HR10.04.2019
LT10.04.2019
LV10.04.2019
NL10.04.2019
NO10.07.2019
GR11.07.2019
PT10.09.2019
Former [2019/48]ES10.04.2019
LT10.04.2019
NL10.04.2019
NO10.07.2019
PT10.09.2019
Former [2019/47]ES10.04.2019
LT10.04.2019
NL10.04.2019
NO10.07.2019
Former [2019/44]NL10.04.2019
Documents cited:Search[XI]  - TSUGUYUKI SAITO ET AL., ""Cellulose nanofibers prepared by TEMPO-mediated oxidation of native cellulose"", BIOMACROMOLECULES, (20070713), vol. 8, no. 8, pages 2485 - 2491, XP002767564 [X] 7 * page 2486, left-hand column, experimental section * * page 2487, right-hand column, section "stirring of TEMPO-oxidized ceelulose fiber/water slurries" * * abstract * * page 2490, right-hand column, sections "flow properties of the cellulose nanofiber/water dispersions" and "conclusions" * [I] 1-6
International search[A]JPH11501684  (GENERALE SUCRIERE);
 [A]JP2001509199  (ALPENSTOCK HOLDINGS LTD.);
 [A]JP2003528935  (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE);
 [A]JP2006016519  (TOPPAN PRINTING CO LTD)
by applicant   - SAITO, T. ET AL., CELLULOSE COMMUN., (2007), vol. 14, no. 2, page 62
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.