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Extract from the Register of European Patents

EP About this file: EP2251304

EP2251304 - PROCESS FOR PRODUCING COLLOIDAL SILICA PARTICLES [Right-click to bookmark this link]
Former [2010/46]COLLOIDAL SILICA PARTICLES, PROCESS FOR PRODUCING THE SAME, AND SILICA SOL IN ORGANIC SOLVENT, SILICA SOL IN POLYMERIZABLE COMPOUND, AND SILICA SOL IN DICARBOXYLIC ANHYDRIDE EACH OBTAINED FROM THE SAME
[2017/12]
StatusNo opposition filed within time limit
Status updated on  25.05.2018
Database last updated on 03.09.2024
FormerThe patent has been granted
Status updated on  16.06.2017
FormerGrant of patent is intended
Status updated on  15.03.2017
Most recent event   Tooltip26.06.2020Lapse of the patent in a contracting state
New state(s): CY, MK		published on 29.07.2020  [2020/31]
Applicant(s)For all designated states
Nissan Chemical Industries, Ltd.
7-1 Kanda-Nishiki-cho 3-chome Chiyoda-ku
Tokyo 101-0054 / JP
[2010/46]
Inventor(s)01 / SUEMURA, Naohiko
c/o Nissan Chemical Industries Ltd.
Specialty Materials Research Laboratories
11-1 Kitasode
Sodegaura-shi Chiba 299-0266 / JP
02 / YOSHITAKE, Keiko
c/o Nissan Chemical Industries Ltd.
Specialty Materials Research Laboratories
11-1 Kitasode
Sodegaura-shi Chiba 299-0266 / JP
03 / TAKEYAMA, Toshiaki
c/o Nissan Chemical Industries Ltd. Chemical
Research Laboratories
722-1 Tsuboi-cho
Funabashi-shi Chiba 274-8507 / JP
 [2017/29]
Former [2010/46]01 / SUEMURA, Naohiko
c/o Nissan Chemical Industries Ltd. Specialty Materials Research Laboratories 11-1 Kitasode
Sodegaura-shi Chiba 299-0266 / JP
02 / YOSHITAKE, Keiko
c/o Nissan Chemical Industries Ltd. Specialty Materials Research Laboratories 11-1 Kitasode
Sodegaura-shi Chiba 299-0266 / JP
03 / TAKEYAMA, Toshiaki
c/o Nissan Chemical Industries Ltd. Chemical Research Laboratories 722-1 Tsuboi-cho
Funabashi-shi Chiba 274-8507 / JP
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2017/29]
Former [2010/46]HOFFMANN EITLE
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München / DE
Application number, filing date09710977.112.02.2009
[2010/46]
WO2009JP52303
Priority number, dateJP2008003117612.02.2008         Original published format: JP 2008031176
[2010/46]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2009101974
Date:20.08.2009
Language:JA
[2009/34]
Type: A1 Application with search report 
No.:EP2251304
Date:17.11.2010
Language:EN
[2010/46]
Type: B1 Patent specification 
No.:EP2251304
Date:19.07.2017
Language:EN
[2017/29]
Search report(s)International search report - published on:JP20.08.2009
(Supplementary) European search report - dispatched on:EP27.06.2012
ClassificationIPC:C01B33/14, C01B33/12, C01B33/149, C09C1/30, C01B33/145
[2012/30]
CPC:
C01B33/14 (EP,US); B82Y30/00 (EP,US); C01B33/145 (EP,US);
C01B33/146 (EP,US); C08K3/36 (US); C01P2004/64 (EP,US)
Former IPC [2010/46]C01B33/14, C01B33/12
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,   TR [2017/29]
Former [2010/46]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 
TitleGerman:HERSTELLUNGSVERFAHREN FÜR KOLLOIDALE SILICIUMDIOXIDTEILCHEN[2017/12]
English:PROCESS FOR PRODUCING COLLOIDAL SILICA PARTICLES[2017/12]
French:PROCÉDÉ DE PRODUCTION DE PARTICULES DE SILICE COLLOÏDALE[2017/12]
Former [2010/46]KOLLOIDALE SILICIUMDIOXIDTEILCHEN, HERSTELLUNGSVERFAHREN DAFÜR UND DARAUS ERHALTENES  SILICIUMDIOXIDSOL IN ORGANISCHEM LÖSUNGSMITTEL, SILICIUMDIOXIDSOL IN POLYMERISIERBARER VERBINDUNG UND SILICIUMDIOXIDSOL IN DICARBONSÄUREANHYDRID
Former [2010/46]COLLOIDAL SILICA PARTICLES, PROCESS FOR PRODUCING THE SAME, AND SILICA SOL IN ORGANIC SOLVENT, SILICA SOL IN POLYMERIZABLE COMPOUND, AND SILICA SOL IN DICARBOXYLIC ANHYDRIDE EACH OBTAINED FROM THE SAME
Former [2010/46]PARTICULES DE SILICE COLLOÏDALE, LEUR PROCÉDÉ DE PRODUCTION ET SOL DE SILICE DANS UN SOLVANT ORGANIQUE, SOL DE SILICE DANS UN COMPOSÉ POLYMÉRISABLE ET SOL DE SILICE DANS DE L'ANHYDRIDE DICARBOXYLIQUE OBTENU À PARTIR DE CELUI-CI
Entry into regional phase01.09.2010Translation filed 
01.09.2010National basic fee paid 
01.09.2010Search fee paid 
01.09.2010Designation fee(s) paid 
01.09.2010Examination fee paid 
Examination procedure01.09.2010Examination requested  [2010/46]
05.03.2013Despatch of communication that the application is deemed to be withdrawn, reason: reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report not received in time
15.05.2013Amendment by applicant (claims and/or description)
26.05.2014Despatch of a communication from the examining division (Time limit: M06)
05.12.2014Reply to a communication from the examining division
24.05.2016Despatch of a communication from the examining division (Time limit: M04)
22.09.2016Reply to a communication from the examining division
16.03.2017Communication of intention to grant the patent
31.05.2017Fee for grant paid
31.05.2017Fee for publishing/printing paid
31.05.2017Receipt 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  26.05.2014
Opposition(s)20.04.2018No opposition filed within time limit [2018/26]
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report/Supplementary European search report
15.05.2013Request for further processing filed
15.05.2013Full payment received (date of receipt of payment)
Request granted
27.05.2013Decision despatched
Fees paidRenewal fee
23.02.2011Renewal fee patent year 03
27.02.2012Renewal fee patent year 04
20.02.2013Renewal fee patent year 05
18.02.2014Renewal fee patent year 06
18.02.2015Renewal fee patent year 07
24.02.2016Renewal fee patent year 08
17.02.2017Renewal fee patent year 09
Opt-out from the exclusive  Tooltip
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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  TooltipHU12.02.2009
AT19.07.2017
CY19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
MC19.07.2017
MK19.07.2017
PL19.07.2017
PT19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
TR19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
IE12.02.2018
LU12.02.2018
MT12.02.2018
BE28.02.2018
CH28.02.2018
LI28.02.2018
[2020/31]
Former [2020/27]HU12.02.2009
AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
MC19.07.2017
PL19.07.2017
PT19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
TR19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
IE12.02.2018
LU12.02.2018
MT12.02.2018
BE28.02.2018
CH28.02.2018
LI28.02.2018
Former [2020/15]AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
MC19.07.2017
PL19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
TR19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
IE12.02.2018
LU12.02.2018
MT12.02.2018
BE28.02.2018
CH28.02.2018
LI28.02.2018
Former [2020/08]AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
MC19.07.2017
PL19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
IE12.02.2018
LU12.02.2018
MT12.02.2018
BE28.02.2018
CH28.02.2018
LI28.02.2018
Former [2019/12]AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
MC19.07.2017
PL19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
IE12.02.2018
LU12.02.2018
BE28.02.2018
CH28.02.2018
LI28.02.2018
Former [2019/09]AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
MC19.07.2017
PL19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
IE12.02.2018
LU12.02.2018
CH28.02.2018
LI28.02.2018
Former [2018/52]AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
MC19.07.2017
PL19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
LU12.02.2018
CH28.02.2018
LI28.02.2018
Former [2018/44]AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
MC19.07.2017
PL19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
Former [2018/39]AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
PL19.07.2017
RO19.07.2017
SE19.07.2017
SI19.07.2017
SK19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
Former [2018/23]AT19.07.2017
CZ19.07.2017
DK19.07.2017
EE19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
PL19.07.2017
RO19.07.2017
SE19.07.2017
SK19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
Former [2018/21]AT19.07.2017
CZ19.07.2017
DK19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
PL19.07.2017
SE19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
Former [2018/12]AT19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
LV19.07.2017
PL19.07.2017
SE19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
Former [2018/11]AT19.07.2017
ES19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
PL19.07.2017
SE19.07.2017
BG19.10.2017
NO19.10.2017
GR20.10.2017
IS19.11.2017
Former [2018/10]AT19.07.2017
FI19.07.2017
HR19.07.2017
LT19.07.2017
SE19.07.2017
NO19.10.2017
Former [2018/09]FI19.07.2017
LT19.07.2017
SE19.07.2017
NO19.10.2017
Former [2018/08]FI19.07.2017
LT19.07.2017
NO19.10.2017
Former [2018/07]LT19.07.2017
NO19.10.2017
Documents cited:Search[Y]US5010207  (PARK CHANG M [US]) [Y] 11,12 * examples 4,5 *;
 [Y]WO2005019195  (GEN ELECTRIC [US], et al) [Y] 11,12 * example 4 *;
 [A]US5902226  (TASAKI KEIKO [JP], et al) [A] 1-13 * column 4, line 3 - column 7, line 62; example 1 *
International search[X]WO0037359  (CATALYSTS & CHEM IND CO [JP], et al);
 [Y]JPS6295130  (SUMITOMO CHEMICAL CO);
 [Y]JP2002302617  (TOKUYAMA CORP);
 [Y]JP2007217228  (TOKUYAMA CORP);
 [A]JP2000169133  (NISSAN CHEMICAL IND LTD);
 [A]WO0034396  (NIPPON KAYAKU KK [JP], et al);
 [A]JPH0710522  (CATALYSTS & CHEM IND CO)
by applicantJPS598614
 JPH02167813
 JP2007063117
 JPS6295130
 US3342747
 JPS63123807
 JPS57196717
 JPS58145614
 JPH03187913
 JPH1143319
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.