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Extract from the Register of European Patents

EP About this file: EP3663421

EP3663421 - METHOD FOR PROCESSING FLUORINE-CONTAINING RARE EARTH MINERAL PARTICLES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  18.11.2022
Database last updated on 06.11.2024
FormerThe patent has been granted
Status updated on  10.12.2021
FormerGrant of patent is intended
Status updated on  15.09.2021
FormerRequest for examination was made
Status updated on  08.05.2020
FormerThe international publication has been made
Status updated on  21.03.2020
Formerunknown
Status updated on  31.12.2019
Most recent event   Tooltip27.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 30.10.2024  [2024/44]
Applicant(s)For all designated states
Baotou Research Institute of Rare Earths
No. 36 Huanghe Street
Rare Earth High-Tech Zone
Baotou, Inner Mongolia 014030 / CN
For all designated states
National Engineering Research Centre of Ruike Rare Earth Metallurgy and Function Materials Co., Ltd.
No.36 Huanghe Street
Rare Earth High-Tech Zone
Baotou, Inner Mongolia 014030 / CN
[2021/41]
Former [2020/24]For all designated states
Baotou Research Institute of Rare Earths
No. 36 Huanghe Street
Rare Earth Hgh-Tech Zone Baotou
Baotou, Inner Mongolia 014030 / CN
Inventor(s)01 / CUI, Jianguo
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
02 / WANG, Zhe
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
03 / HOU, Ruien
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
04 / LI, Dong
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
05 / XU, Meng
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
06 / GAO, Ting
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
07 / HAO, Xiaoli
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
08 / LI, Bo
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
09 / ZHANG, Yang
SONG, JING
No. 36 Huanghe Street
Rare Earth High-Tech zone
Baotou, Inner Mongolia 014030 / CN
 [2021/03]
Representative(s)Gong, Jinping
CocreateIP
Eggenfeldenerstraße 56
81929 München / DE
[2020/24]
Application number, filing date19823875.021.06.2019
[2020/24]
WO2019CN92296
Priority number, dateCN2018117280114.09.2018         Original published format: CN201811072801
[2020/24]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020052311
Date:19.03.2020
Language:ZH
[2020/12]
Type: A1 Application with search report 
No.:EP3663421
Date:10.06.2020
Language:EN
[2020/24]
Type: B1 Patent specification 
No.:EP3663421
Date:12.01.2022
Language:EN
[2022/02]
Search report(s)International search report - published on:CN19.03.2020
(Supplementary) European search report - dispatched on:EP03.11.2020
ClassificationIPC:C22B59/00, C22B3/08
[2020/24]
CPC:
C22B3/08 (EP,CN,US); C22B59/00 (EP,CN,US)
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 [2020/24]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR VERARBEITUNG VON FLUORHALTIGEN SELTENERDMINERALPARTIKELN[2020/24]
English:METHOD FOR PROCESSING FLUORINE-CONTAINING RARE EARTH MINERAL PARTICLES[2020/24]
French:PROCÉDÉ DE TRAITEMENT DE PARTICULES MINÉRALES DE TERRES RARES CONTENANT DU FLUOR[2020/24]
Entry into regional phase31.12.2019Translation filed 
31.12.2019National basic fee paid 
31.12.2019Search fee paid 
31.12.2019Designation fee(s) paid 
31.12.2019Examination fee paid 
Examination procedure31.12.2019Examination requested  [2020/24]
28.01.2021Amendment by applicant (claims and/or description)
16.09.2021Communication of intention to grant the patent
01.12.2021Fee for grant paid
01.12.2021Fee for publishing/printing paid
01.12.2021Receipt of the translation of the claim(s)
Opposition(s)13.10.2022No opposition filed within time limit [2022/51]
Fees paidRenewal fee
30.06.2021Renewal 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  TooltipHU21.06.2019
AL12.01.2022
AT12.01.2022
CY12.01.2022
CZ12.01.2022
DK12.01.2022
EE12.01.2022
ES12.01.2022
FI12.01.2022
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PL12.01.2022
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SM12.01.2022
BG12.04.2022
NO12.04.2022
GR13.04.2022
IS12.05.2022
PT12.05.2022
IE21.06.2022
LU21.06.2022
BE30.06.2022
CH30.06.2022
LI30.06.2022
[2024/44]
Former [2024/25]HU21.06.2019
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Documents cited:Search[Y]JPS6090823  (ASAHI CHEMICAL IND) [Y] 1-10 * page 137, right column, line 16 to page 138, left column line 32;; example 1; table 1 *;
 [Y]EP0418125  (RHONE POULENC CHIMIE [FR]) [Y] 1-10 * page 5, line 30 - page 6, line 45; example 1 *;
 [Y]  - RINA KIM ET AL, "Optimization of Acid Leaching of Rare-Earth Elements from Mongolian Apatite-Based Ore", MINERALS, (20160630), vol. 6, no. 3, doi:10.3390/min6030063, page 63, XP055743232 [Y] 1-10 * Page 2 to 7, sections 2.1 to and inclusing section 3.2;; figure 4 *

DOI:   http://dx.doi.org/10.3390/min6030063
International search[A]CN1405337  (BAOTOU RARE EARTH RES INST [CN]) [A] 1-10 * entire document *;
 [A]CN1667139  (CHINA NONFERROUS ENGINEERING A [CN]) [A] 1-10 * entire document *;
 [A]CN1683568  (FANGZHENG RARE EARTH SCIENCE A [CN]) [A] 1-10 * entire document *;
 [A]US2015252449  (WANG LIANGSHI [CN], et al) [A] 1-10 * entire document *;
 [A]CN104946887  (CHINA ENFI ENG CORP) [A] 1-10 * entire document *;
 [A]WO2017100933  (QUEST RARE MINERALS LTD [CA]) [A] 1-10 * entire document *;
 [A]CN106978532  (SANTOKU CORP) [A] 1-10 * entire document *;
 [A]CN107475542  (CHINA ENFI ENG CORP) [A] 1-10 * entire document *;
 [PX]CN109022838  (BAOTOU RES INST RARE EARTHS, et al) [PX] 1-10* claims 1-10 *
by applicantCN1683568
 CN102534269
 CN106978532
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.