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Extract from the Register of European Patents

EP About this file: EP3673028

EP3673028 - METHOD FOR PRODUCING ALUMINA SINTERED BODY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  17.12.2021
Database last updated on 30.09.2024
FormerThe patent has been granted
Status updated on  08.01.2021
FormerGrant of patent is intended
Status updated on  23.07.2020
FormerRequest for examination was made
Status updated on  29.05.2020
FormerThe international publication has been made
Status updated on  05.07.2019
Formerunknown
Status updated on  16.02.2019
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024 [2024/42]
Applicant(s)For all designated states
Showa Denko K.K.
13-9, Shiba Daimon 1-Chome
Minato-ku
Tokyo 105-8518 / JP
[2020/27]
Inventor(s)01 / MIYAISHI, So
C/O SHOWA DENKO CERAICS CO.,LTD
Shiojiri Plant, 1
Oaza Soga, Shiojiri-shi, Nagano, 3996461 / JP
 [2020/27]
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[2020/27]
Application number, filing date18842854.419.12.2018
[2020/27]
WO2018JP47990
Priority number, dateJP2017024843125.12.2017         Original published format: JP 2017248431
[2020/27]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019131818
Date:04.07.2019
Language:EN
[2019/27]
Type: A1 Application with search report 
No.:EP3673028
Date:01.07.2020
Language:EN
The application published by WIPO in one of the EPO official languages on 04.07.2019 takes the place of the publication of the European patent application.
[2020/27]
Type: B1 Patent specification 
No.:EP3673028
Date:10.02.2021
Language:EN
[2021/06]
Search report(s)International search report - published on:EP04.07.2019
ClassificationIPC:C09K3/14, C04B35/111, C04B41/85
[2020/27]
CPC:
C04B41/85 (EP,KR); C04B35/111 (EP,KR); C04B35/10 (US);
C04B35/1115 (EP,KR); C04B35/6281 (EP,KR); C04B35/62886 (EP,KR);
C04B35/6325 (US); C04B35/64 (US); C04B41/009 (EP,KR);
C04B41/5007 (EP,KR); C09K3/1436 (EP,KR); C04B2235/3205 (EP,KR);
C04B2235/3208 (EP,KR,US); C04B2235/3215 (US); C04B2235/3217 (US);
C04B2235/449 (EP,KR); C04B2235/48 (US); C04B2235/5436 (EP,KR);
C04B2235/5445 (EP,KR); C04B2235/616 (EP,KR); C04B2235/656 (US);
C04B2235/6567 (EP,KR); C04B2235/728 (US); C04B2235/78 (EP,KR);
C04B2235/783 (EP,KR); C04B2235/786 (EP,KR); C04B2235/788 (EP,KR);
C04B2235/96 (EP,KR) (-)
C-Set:
C04B41/009, C04B35/10 (EP);
C04B41/5007, C04B41/4535, C04B2103/001 (EP);
C04B41/5007, C04B41/4535, C04B2103/0011 (EP)
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 [2020/27]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES ALUMINIUMOXIDSINTERELEMENTS[2020/27]
English:METHOD FOR PRODUCING ALUMINA SINTERED BODY[2020/27]
French:PROCÉDÉ DE PRODUCTION D'UN CORPS FRITTÉ EN ALUMINE[2020/27]
Entry into regional phase27.03.2020National basic fee paid 
27.03.2020Designation fee(s) paid 
27.03.2020Examination fee paid 
Examination procedure15.10.2019Request for preliminary examination filed
International Preliminary Examining Authority: EP
10.03.2020Amendment by applicant (claims and/or description)
27.03.2020Examination requested  [2020/27]
27.03.2020Date on which the examining division has become responsible
24.07.2020Communication of intention to grant the patent
26.10.2020Receipt of the translation of the claim(s)
30.11.2020Fee for grant paid
30.11.2020Fee for publishing/printing paid
Opposition(s)11.11.2021No opposition filed within time limit [2022/03]
Fees paidRenewal fee
24.12.2020Renewal fee patent year 03
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  TooltipHU19.12.2018
AL10.02.2021
CY10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
ES10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
MC10.02.2021
MK10.02.2021
MT10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
[2024/42]
Former [2024/23]HU19.12.2018
AL10.02.2021
CY10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
ES10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
MC10.02.2021
MK10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2023/33]HU19.12.2018
AL10.02.2021
CY10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
ES10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
MC10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2023/30]AL10.02.2021
CY10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
ES10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
MC10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2022/33]AL10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
ES10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
MC10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2022/23]AL10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
ES10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2022/10]AL10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
ES10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
PT11.06.2021
Former [2022/08]AL10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
ES10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2022/07]AL10.02.2021
CZ10.02.2021
DK10.02.2021
EE10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2021/50]CZ10.02.2021
DK10.02.2021
EE10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RO10.02.2021
RS10.02.2021
SK10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2021/49]CZ10.02.2021
DK10.02.2021
EE10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RS10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2021/48]CZ10.02.2021
EE10.02.2021
FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RS10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2021/46]FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RS10.02.2021
SM10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2021/42]FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RS10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
IS10.06.2021
PT11.06.2021
Former [2021/39]FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
PL10.02.2021
RS10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
PT11.06.2021
Former [2021/38]FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
NL10.02.2021
RS10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
PT11.06.2021
Former [2021/37]FI10.02.2021
HR10.02.2021
LT10.02.2021
LV10.02.2021
RS10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
PT11.06.2021
Former [2021/36]FI10.02.2021
HR10.02.2021
LT10.02.2021
BG10.05.2021
NO10.05.2021
GR11.05.2021
PT11.06.2021
Former [2021/35]FI10.02.2021
HR10.02.2021
LT10.02.2021
NO10.05.2021
PT11.06.2021
Former [2021/33]FI10.02.2021
LT10.02.2021
NO10.05.2021
PT11.06.2021
Cited inInternational search[XI]JP2001322865  (JAPAN SCIENCE & TECH CORP) [X] 1-4,8 * abstract * * example - * * table - * [I] 1-8;
 [XDI]JP2004307239  (NAT INST OF ADV IND & TECHNOL) [XD] 1,2,4,6-8 * abstract * * claim - * * example - *[I] 1-8
by applicantJPH0987008
 JP2004026513
 JP2004307239
 JP2009102181
    - J. Mat. Sci., (19930000), vol. 28, pages 5953 - 56
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.