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Extract from the Register of European Patents

EP About this file: EP3623041

EP3623041 - HOLLOW STRUCTURE PARTICLES, METHOD FOR PRODUCING SAME AND WHITE INK [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.01.2023
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  04.02.2022
FormerGrant of patent is intended
Status updated on  29.09.2021
FormerExamination is in progress
Status updated on  25.09.2020
FormerRequest for examination was made
Status updated on  14.02.2020
FormerThe international publication has been made
Status updated on  17.11.2018
Most recent event   Tooltip19.12.2025Lapse of the patent in a contracting state
New state(s): TR		published on 21.01.2026  [2026/04]
Applicant(s)For all designated states
Nippon Kayaku Kabushiki Kaisha
1-1, Marunouchi 2-chome
Chiyoda-ku
Tokyo 100-0005 / JP
[2020/12]
Inventor(s)01 / HARA, Yukihiro
c/o NIPPON KAYAKU KABUSHIKI KAISHA
Research Planning Division
31-12, Shimo 3-chome
Kita-ku
Tokyo 115-8588 / JP
02 / NOHARA, Akihiro
c/o NIPPON KAYAKU KABUSHIKI KAISHA
Research Planning Division
31-12, Shimo 3-chome
Kita-ku
Tokyo 115-8588 / JP
 [2020/12]
Representative(s)Maiwald GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
[N/P]
Former [2020/12]Parchmann, Stefanie
Maiwald Patentanwalts- und
Rechtsanwaltsgesellschaft mbH
Elisenhof
Elisenstraße 3
80335 München / DE
Application number, filing date18798808.408.05.2018
[2020/12]
WO2018JP17705
Priority number, dateJP2017009431911.05.2017         Original published format: JP 2017094319
[2020/12]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018207751
Date:15.11.2018
Language:JA
[2018/46]
Type: A1 Application with search report 
No.:EP3623041
Date:18.03.2020
Language:EN
[2020/12]
Type: B1 Patent specification 
No.:EP3623041
Date:09.03.2022
Language:EN
[2022/10]
Search report(s)International search report - published on:JP15.11.2018
(Supplementary) European search report - dispatched on:EP17.01.2020
ClassificationIPC:B01J13/02, B01J13/22
[2021/40]
CPC:
B01J13/02 (EP); C09D11/322 (EP,US); B01J13/04 (US);
B01J13/203 (EP); B01J13/206 (EP); B01J13/22 (EP);
B41J2/2117 (US); B41M5/00 (EP); B41M5/0023 (US);
C01G23/04 (EP); C01G23/047 (EP); C04B38/009 (EP);
C09C1/363 (US); C09C1/3661 (US); C09C1/3692 (US);
C09D11/037 (US); C01P2004/34 (US); C01P2004/61 (US);
C01P2004/62 (US); C01P2004/64 (US); C01P2004/84 (US);
C01P2006/60 (US) (-)
C-Set:
C04B38/009, C04B35/462, C04B38/067 (EP)
Former IPC [2020/12]B01J13/18, B41M5/00, C01G23/04, C01G23/047, C09D11/322, B01J13/14, B01J13/20, C04B38/00
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 [2020/12]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:PARTIKEL MIT HOHLSTRUKTUR, VERFAHREN ZU IHRER HERSTELLUNG UND WEISSE TINTE[2020/12]
English:HOLLOW STRUCTURE PARTICLES, METHOD FOR PRODUCING SAME AND WHITE INK[2020/12]
French:PARTICULES À STRUCTURE CREUSE, LEUR PROCÉDÉ DE PRODUCTION ET ENCRE BLANCHE[2020/12]
Entry into regional phase27.11.2019Translation filed 
27.11.2019National basic fee paid 
27.11.2019Search fee paid 
27.11.2019Designation fee(s) paid 
27.11.2019Examination fee paid 
Examination procedure27.11.2019Examination requested  [2020/12]
09.04.2020Amendment by applicant (claims and/or description)
24.09.2020Despatch of a communication from the examining division (Time limit: M04)
22.12.2020Reply to a communication from the examining division
06.04.2021Despatch of a communication from the examining division (Time limit: M04)
25.05.2021Reply to a communication from the examining division
30.09.2021Communication of intention to grant the patent
01.02.2022Fee for grant paid
01.02.2022Fee for publishing/printing paid
01.02.2022Receipt of the translation of the claim(s)
Opposition(s)12.12.2022No opposition filed within time limit [2023/07]
Fees paidRenewal fee
27.03.2020Renewal fee patent year 03
31.05.2021Renewal fee patent year 04
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  TooltipHU08.05.2018
AL09.03.2022
AT09.03.2022
CY09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
IT09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
MK09.03.2022
MT09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
TR09.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
[2026/04]
Former [2024/44]HU08.05.2018
AL09.03.2022
AT09.03.2022
CY09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
IT09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
MK09.03.2022
MT09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2024/24]HU08.05.2018
AL09.03.2022
AT09.03.2022
CY09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
IT09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
MK09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2024/23]AL09.03.2022
AT09.03.2022
CY09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
IT09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
MK09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2024/20]AL09.03.2022
AT09.03.2022
CY09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
IT09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2023/35]AL09.03.2022
AT09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
IT09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2023/25]AL09.03.2022
AT09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2023/20]AL09.03.2022
AT09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
IE08.05.2022
LU08.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2023/10]AL09.03.2022
AT09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SI09.03.2022
SK09.03.2022
SM09.03.2022
LU08.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2023/09]AL09.03.2022
AT09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SK09.03.2022
SM09.03.2022
LU08.05.2022
CH31.05.2022
LI31.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2023/08]AL09.03.2022
AT09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SK09.03.2022
SM09.03.2022
LU08.05.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2023/07]AL09.03.2022
AT09.03.2022
CZ09.03.2022
DK09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
RS09.03.2022
SE09.03.2022
SK09.03.2022
SM09.03.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2023/06]AL09.03.2022
AT09.03.2022
CZ09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
LV09.03.2022
MC09.03.2022
NL09.03.2022
PL09.03.2022
RO09.03.2022
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SE09.03.2022
SK09.03.2022
SM09.03.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
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AT09.03.2022
CZ09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
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RO09.03.2022
RS09.03.2022
SE09.03.2022
SK09.03.2022
SM09.03.2022
BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2022/51]AT09.03.2022
CZ09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
LT09.03.2022
LV09.03.2022
NL09.03.2022
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RO09.03.2022
RS09.03.2022
SE09.03.2022
SK09.03.2022
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BG09.06.2022
NO09.06.2022
GR10.06.2022
IS09.07.2022
PT11.07.2022
Former [2022/50]AT09.03.2022
CZ09.03.2022
EE09.03.2022
ES09.03.2022
FI09.03.2022
HR09.03.2022
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PL09.03.2022
RO09.03.2022
RS09.03.2022
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SK09.03.2022
SM09.03.2022
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Former [2022/48]AT09.03.2022
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FI09.03.2022
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RO09.03.2022
RS09.03.2022
SE09.03.2022
SM09.03.2022
BG09.06.2022
NO09.06.2022
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PT11.07.2022
Former [2022/47]AT09.03.2022
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RO09.03.2022
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BG09.06.2022
NO09.06.2022
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Former [2022/39]FI09.03.2022
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Former [2022/36]HR09.03.2022
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Documents cited:Search[XAI] JP2009298614  (JGC CATALYSTS & CHEMICALS LTD et al.) [X] 1-3 * claims 2,5 *[A] 5-14 [I] 4
 [XAI] CN104046117   [X] 1,3 * example 1 *[A] 5-14 [I] 2,4
International search[X] JP2008074645  (NITTETSU MINING CO LTD et al.) [X] 1-3, 11-14 * , claims, example 3, paragraphs [0057], [0065]-[0067] (Family: none) *
 [X] CN104671282  (YAO PENGCHENG et al.) [X] 1-3, 11-14 * , claims, examples 1-4, paragraph [0003] (Family: none) *
 [A] JP2006307125  (TOTO LTD et al.) [A] 1-14 * (Family: none) *
 [X]   SONG, X. ET AL.: "Fabrication of Hollow Hybrid Microspheres Coated with Silica/Titania via Sol-Gel Process and Enhanced Photocatalytic Activities", J. PHYS. CHEM. C, vol. 111, no. 23, 16 May 2007 (2007-05-16), pages 8180 - 8187, XP055561264, ISSN: 1932-7447 [X] 1-4 * , in particular, Introduction, Preparation of Hollow Si02/Ti02 Double-Shell Hybrid Microspheres and Doping Nitrogen Procedure., XRD Analysis., fig. 4 *

DOI:   http://dx.doi.org/10.1021/jp071142j
by applicantJP2013023676
 JPH06330606
 JPH05138009
 JPH06142491
 WO2013115071
   PROCEEDINGS OF THE MEETING OF THE SOCIETY OF POWDER TECHNOLOGY, JAPAN, vol. 2011, 2011, pages 25 - 26
   J. PHYS. CHEM. C, vol. 113, 2009, pages 20240 - 20245
   XIONG WEN (DAVID) LOULYNDEN A. ARCHERZICHAO YANG, ADV. MATER., vol. 20, 2008, pages 3987 - 4019
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.