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Extract from the Register of European Patents

EP About this file: EP3808703

EP3808703 - PRODUCTION METHOD FOR CORE-SHELL POROUS SILICA PARTICLES [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  19.03.2021
Database last updated on 03.08.2024
FormerThe international publication has been made
Status updated on  21.12.2019
Most recent event   Tooltip24.06.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Tohoku University
2-1-1 Katahira
Aoba-ku
Sendai-shi, Miyagi 980-8577 / JP
For all designated states
Daicel Corporation
3-1, Ofuka-cho
Kita-ku
Osaka-shi
Osaka 530-0011 / JP
[2021/16]
Inventor(s)01 / NAGAO, Daisuke
c/o TOHOKU UNIVERSITY, 2-1-1, Katahira, Aoba-ku
Sendai-shi, Miyagi 980-8577 / JP
02 / ISHII, Haruyuki
c/o TOHOKU UNIVERSITY, 2-1-1, Katahira, Aoba-ku
Sendai-shi, Miyagi 980-8577 / JP
03 / ISHIKAWA, Shunho
c/o TOHOKU UNIVERSITY, 2-1-1, Katahira, Aoba-ku
Sendai-shi, Miyagi 980-8577 / JP
 [2021/16]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[2021/16]
Application number, filing date19819870.717.06.2019
[2021/16]
WO2019JP23805
Priority number, dateJP2018011415315.06.2018         Original published format: JP 2018114153
[2021/16]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019240294
Date:19.12.2019
Language:JA
[2019/51]
Type: A1 Application with search report 
No.:EP3808703
Date:21.04.2021
Language:EN
[2021/16]
Search report(s)International search report - published on:JP19.12.2019
(Supplementary) European search report - dispatched on:EP21.05.2021
ClassificationIPC:C01B33/18, C09C1/30, B01J20/32
[2021/25]
CPC:
C09C1/3054 (EP); B01J20/103 (EP,US); B01J20/28021 (US);
B01J20/283 (EP,US); B01J20/3204 (EP,US); B01J20/3214 (EP,US);
B01J20/3234 (EP,US); B01J20/3293 (EP,US); C01B33/18 (EP);
C01P2004/04 (EP); C01P2004/61 (EP); C01P2004/62 (EP);
C01P2004/64 (EP); C01P2004/86 (EP); C01P2004/88 (EP);
C01P2006/12 (EP); C01P2006/14 (EP); C01P2006/16 (EP);
Y02E60/10 (EP) (-)
Former IPC [2021/16]C01B33/18
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 [2021/16]
TitleGerman:HERSTELLUNGSVERFAHREN FÜR PORÖSE KERN-SCHALE-KIESELSÄUREPARTIKEL[2021/16]
English:PRODUCTION METHOD FOR CORE-SHELL POROUS SILICA PARTICLES[2021/16]
French:PROCÉDÉ DE PRODUCTION DE PARTICULES DE SILICE POREUSE C?UR-ÉCORCE[2021/16]
Entry into regional phase11.01.2021Translation filed 
11.01.2021National basic fee paid 
11.01.2021Search fee paid 
11.01.2021Designation fee(s) paid 
11.01.2021Examination fee paid 
Examination procedure11.01.2021Examination requested  [2021/16]
25.11.2021Amendment by applicant (claims and/or description)
Fees paidRenewal fee
11.01.2021Renewal fee patent year 03
31.03.2022Renewal fee patent year 04
31.03.2023Renewal fee patent year 05
24.06.2024Renewal fee patent year 06
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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[Y]US2005121654  (MURAGUCHI RYO [JP], et al) [Y] 1-10 * paragraphs [0012] - [0113] *;
 [Y]EP1886972  (ASAHI GLASS CO LTD [JP]) [Y] 1-10 * paragraphs [0012] - [0080] * * example 1 *;
 [Y]WO2010061367  (UNIV COLLEGE CORK NAT UNIV IE [IE], et al) [Y] 1-10 * figures 1-25 * * page 2, line 13 - page 20 * * examples 1-9 *;
 [Y]GB2497105  (THERMO ELECTRON MFG LTD [GB]) [Y] 1-10 * page 3, paragraph 4 - page 18 ** examples 1-9 *;
 [Y]WO2016152872  (ASAHI GLASS CO LTD [JP], et al) [Y] 1-10 * the whole document *;
 [XD]WO2017141821  (UNIV TOHOKU [JP], et al) [XD] 1-10 * the whole document *;
 [XY]WO2017155870  (WATERS TECHNOLOGIES CORP [US]) [X] 1-3,7-10 * figures 1-3 * * paragraphs [0008] - [0450] - [0572] * * claim 211 * * examples 28-100 * [Y] 4-6;
 [Y]US2017282155  (WEI TA-CHEN [US], et al) [Y] 1-10 * paragraphs [0007] - [0098]; examples 1,2 *
International search[A]JP2014094867  (UNIV HIROSHIMA, et al) [A] 1-10 * , claims 1-7 (Family: none) *;
 [A]JP2014185051  (DAINIPPON INK & CHEMICALS) [A] 1-10* , claims 1-8 (Family: none) *;
 [YA]WO2016152872  (ASAHI GLASS CO LTD [JP], et al) [Y] 1-4, 7-10 * , paragraphs [0043], [0045], [0048] & JP 2018-83759 A * [A] 5-6;
 [YA]WO2017141821  (UNIV TOHOKU [JP], et al) [Y] 1-4, 7-10 * , claims 1-6, paragraphs [0052]-[0074] & EP 3418256 A1, claims 1-6, paragraphs [0082]-[0096] & CN 108698838 A * [A] 5-6;
 [A]JP2018035031  (NAGOYA INST TECH) [A] 1-10 * , claims 1-6 (Family: none) *
by applicantWO2007122930
 JP2012171833
 WO2017141821
    - J. S. BECK et al., J. Am. Chem. Soc., (19920000), vol. 114, page 10834
    - Journal of Colloid and Interface Science, (20110000), vol. 361, pages 16 - 24
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.