blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3778486

EP3778486 - ALUMINA PARTICLE [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  15.01.2021
Database last updated on 02.09.2024
FormerThe international publication has been made
Status updated on  12.10.2019
Most recent event   Tooltip03.04.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
DIC Corporation
35-58, Sakashita 3-chome
Itabashi-ku
Tokyo 174-8520 / JP
[N/P]
Former [2021/07]For all designated states
DIC Corporation
35-58, Sakashita 3-chome Itabashi-ku
Tokyo 174-8520 / JP
Inventor(s)01 / TAKADA, Shingo
c/o DIC Corporation, Central Research
Laboratories, 631, Sakado
Sakura-shi, Chiba 285-8668 / JP
02 / ITOYA, Kazuo
c/o DIC Corporation, Central Research
Laboratories, 631, Sakado
Sakura-shi, Chiba 285-8668 / JP
03 / YUAN, Jian-Jun
c/o DIC Corporation, Central Research
Laboratories, 631, Sakado
Sakura-shi, Chiba 285-8668 / JP
04 / KANEMATSU, Takayuki
c/o DIC Corporation, Central Research
Laboratories, 631, Sakado
Sakura-shi, Chiba 285-8668 / JP
05 / HAYASHI, Masamichi
c/o DIC Corporation, Central Research
Laboratories, 631, Sakado
Sakura-shi, Chiba 285-8668 / JP
06 / MAEKAWA, Fumihiko
c/o DIC Corporation, Central Research
Laboratories, 631, Sakado
Sakura-shi, Chiba 285-8668 / JP
07 / SANO, Yoshiyuki
c/o DIC Corporation, Central Research
Laboratories, 631, Sakado
Sakura-shi, Chiba 285-8668 / JP
 [2021/07]
Representative(s)Kraus & Lederer PartGmbB
Thomas-Wimmer-Ring 15
80539 München / DE
[N/P]
Former [2021/07]Beckmann, Claus
Kraus & Weisert
Patentanwälte PartGmbB
Thomas-Wimmer-Ring 15
80539 München / DE
Application number, filing date19782451.902.04.2019
[2021/07]
WO2019JP14584
Priority number, dateJP2018007398606.04.2018         Original published format: JP 2018073986
[2021/07]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019194158
Date:10.10.2019
Language:JA
[2019/41]
Type: A1 Application with search report 
No.:EP3778486
Date:17.02.2021
Language:EN
[2021/07]
Search report(s)International search report - published on:JP10.10.2019
(Supplementary) European search report - dispatched on:EP21.12.2021
ClassificationIPC:C01F7/02, C01B33/12, C01F7/44
[2022/03]
CPC:
C01F7/442 (EP); C01F7/02 (KR,US); C01B33/12 (KR);
C01B33/26 (US); C01P2002/04 (KR); C01P2002/85 (EP);
C01P2004/03 (EP); C01P2004/20 (EP); C01P2004/22 (KR);
C01P2004/45 (US); C01P2004/50 (US); C01P2004/54 (KR,US);
C01P2004/61 (EP,KR,US); C01P2006/10 (EP); C01P2006/12 (EP);
C01P2006/21 (EP); C01P2006/80 (EP); C01P2006/90 (US) (-)
Former IPC [2021/07]C01F7/02, C01B33/12
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 [2021/07]
TitleGerman:ALUMINIUMOXIDTEILCHEN[2021/07]
English:ALUMINA PARTICLE[2021/07]
French:PARTICULE D'ALUMINE[2021/07]
Entry into regional phase28.09.2020Translation filed 
28.09.2020National basic fee paid 
28.09.2020Search fee paid 
28.09.2020Designation fee(s) paid 
28.09.2020Examination fee paid 
Examination procedure28.09.2020Examination requested  [2021/07]
17.06.2022Amendment by applicant (claims and/or description)
Fees paidRenewal fee
23.04.2021Renewal fee patent year 03
29.03.2022Renewal fee patent year 04
27.02.2023Renewal fee patent year 05
02.04.2024Renewal fee patent year 06
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.
Documents cited:Search[XI]US2017166454  (WATANABE MORIMICHI [JP], et al) [X] 1-3,5,6 * figure -; claims 6-8; table 1 * [I] 4,7,8;
 [XI]  - HONDA ET AL, "Fabirication and thermal conductivity of highly porous alumina body from platelets with yeast fungi as a pore froming agent", CERAMICS INTERNATIONAL, (20160901), vol. 42, no. 12, pages 13882 - 13887, XP055644948 [X] 1,2,4-6,8 * "Experimental procedure"; "Summary";; figure -; table 1 * [I] 3,7
 [XI]  - HASHIMOTO S ET AL, "Synthesis and mechanical properties of porous alumina from anisotropic alumina particles", JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, ELSEVIER, AMSTERDAM, NL, vol. 30, no. 3, doi:10.1016/J.JEURCERAMSOC.2009.09.018, ISSN 0955-2219, (20100201), pages 635 - 639, (20091013), XP026764301 [X] 1-3,5-7 * "Abstract"; "Experimental procedure";; figure - * [I] 4,8

DOI:   http://dx.doi.org/10.1016/j.jeurceramsoc.2009.09.018
International search[A]JPS507797  (NORTON COMPANY) [A] 1-8 * & GB 1465523 A & DE 2403638 A1 & FR 2215389 A1 *;
 [XA]JPS59203774  (SHOWA KEIKINZOKU KK) [X] 1-3, 5-8 * , page 2, upper right column, line 6 to lower right column, line 10, page 3, upper right column, lines 5-12, table 1, fig. 1, 2 (Family: none) * [A] 4;
 [X]US2013183527  (BASTIDA CUAIRAN JOAQUIN [ES], et al) [X] 1-8 * , example 2, fig. 9, 10, 13 & WO 2012/017124 A1 & EP 2602229 A1 *;
 [X]WO2016084723  (NGK INSULATORS LTD [JP]) [X] 1-8 * , paragraphs [0017], [0033], [0042], table 1, fig. 3 & US 2017/0166454 A1, paragraphs [0025], [0046], [0055], table 1, fig. 3 & CN 10707 4573 A & TW 201634427 A *;
 [A]JP2016222501  (DAINIPPON INK & CHEMICALS) [A] 1-8 * (Family: none) *;
 [A]  - HONDA, SAWAO et al., "Fabirication and thermal conductivity of highly porous alumina body from platelets with yeast fungi as a pore froming agent", Ceramics International, (20160900), vol. 42, no. 12, pages 13882 - 13887, XP055644948 [A] 1-8
 [A]  - MUTO, DAIMU et al., "Characterization of porous alumina bodies fabricated by high-temperature evaporation of boric acid with sodium impurity", Ceramics International, (20180300), vol. 44, no. 4, pages 3678 - 3683, XP085336242 [A] 1-8

DOI:   http://dx.doi.org/10.1016/j.ceramint.2017.11.131
by applicantJPH07207066
 JP2014028716
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.