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Extract from the Register of European Patents

EP About this file: EP4082967

EP4082967 - LIQUID DISPERSION OF FLUORIDE PARTICLES AND METHOD FOR PRODUCING SAME, AND OPTICAL FILM [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  30.09.2022
Database last updated on 03.09.2024
FormerThe international publication has been made
Status updated on  07.07.2021
Most recent event   Tooltip20.12.2023The date on which the examining division becomes responsible, has been established 
20.12.2023Amendment by applicant 
Applicant(s)For all designated states
Stella Chemifa Corporation
4-1-1, Fushimi-machi
Chuo-ku
Osaka-shi, Osaka 541-0044 / JP
[2022/44]
Inventor(s)01 / URAYA, Masanori
c/o Izumi Factory, STELLA CHEMIFA CORPORATION, 1-
41, Rinkai-cho
Izumiotsu-shi, Osaka 595-0075 / JP
02 / YAMAMOTO, Hiroya
c/o Izumi Factory, STELLA CHEMIFA CORPORATION, 1-
41, Rinkai-cho
Izumiotsu-shi, Osaka 595-0075 / JP
03 / HASEBE, Rui
c/o Izumi Factory, STELLA CHEMIFA CORPORATION, 1-
41, Rinkai-cho
Izumiotsu-shi, Osaka 595-0075 / JP
04 / TOMISAKI, Megumi
c/o Izumi Factory, STELLA CHEMIFA CORPORATION, 1-
41, Rinkai-cho
Izumiotsu-shi, Osaka 595-0075 / JP
05 / NISHIDA, Tetsuo
c/o Izumi Factory, STELLA CHEMIFA CORPORATION, 1-
41, Rinkai-cho
Izumiotsu-shi, Osaka 595-0075 / JP
 [2022/44]
Representative(s)Meissner Bolte Partnerschaft mbB
Patentanwälte Rechtsanwälte
Postfach 86 06 24
81633 München / DE
[N/P]
Former [2022/44]Sajda, Wolf E.
Meissner Bolte Patentanwälte
Rechtsanwälte Partnerschaft mbB
Postfach 86 06 24
81633 München / DE
Application number, filing date20905802.311.11.2020
[2022/44]
WO2020JP42043
Priority number, dateJP2019023932127.12.2019         Original published format: JP 2019239321
[2022/44]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021131368
Date:01.07.2021
Language:JA
[2021/26]
Type: A1 Application with search report 
No.:EP4082967
Date:02.11.2022
Language:EN
[2022/44]
Search report(s)International search report - published on:JP01.07.2021
(Supplementary) European search report - dispatched on:EP31.05.2023
ClassificationIPC:C01B33/10, G02B1/111, G02B1/00
[2023/26]
CPC:
C01B33/10 (EP,KR,US); C01B33/103 (EP); G02B1/111 (EP,KR,US);
C01P2004/64 (EP,US)
Former IPC [2022/44]C01B33/10, G02B1/111
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 [2022/44]
TitleGerman:FLÜSSIGE DISPERSION VON FLUORIDTEILCHEN UND VERFAHREN ZUM PRODUZIEREN DERSELBEN, UND OPTISCHER FILM[2022/44]
English:LIQUID DISPERSION OF FLUORIDE PARTICLES AND METHOD FOR PRODUCING SAME, AND OPTICAL FILM[2022/44]
French:DISPERSION LIQUIDE DE PARTICULES DE FLUORURE, PROCÉDÉ DE PRODUCTION D'UNE TELLE DISPERSION ET FILM OPTIQUE[2022/44]
Entry into regional phase06.07.2022Translation filed 
06.07.2022National basic fee paid 
06.07.2022Search fee paid 
06.07.2022Designation fee(s) paid 
06.07.2022Examination fee paid 
Examination procedure06.07.2022Examination requested  [2022/44]
19.12.2023Amendment by applicant (claims and/or description)
19.12.2023Date on which the examining division has become responsible
Fees paidRenewal fee
29.09.2022Renewal fee patent year 03
29.09.2023Renewal 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.
Documents cited:Search[XAI]US5147435  (KUBOTA YOSHINORI [JP], et al);
 [A]JP4986426B  ;
 [A]EP2857357  (STELLA CHEMIFA CORP [JP])
International search[A]JPS57118016  (ALLIED CHEM);
 [A]JP2000015481  (DENSO CORP, et al);
 [A]JP2007161509  (STELLA CHEMIFA CORP);
 [A]JP2015108096  (TOYO INK SC HOLDINGS CO LTD);
 [A]WO2017159720  (NITTO DENKO CORP [JP])
by applicantJP2007161509
 JP4046921B
 JP4655614B
 JP2011195693
 JP5943754B
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.