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

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

Extract from the Register of European Patents

EP About this file: EP4049987

EP4049987 - MANGANESE ZINC FERRITE WITH HIGH NEGATIVE-TEMPERATURE MAGNETIC PERMEABILITY AND LOW HIGH-TEMPERATURE LOSS, AND PREPARATION METHOD THEREFOR [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  29.07.2022
Database last updated on 11.09.2024
FormerThe international publication has been made
Status updated on  27.08.2021
Most recent event   Tooltip10.07.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Hengdian Group DMEGC Magnetics Co., Ltd.
Hengdian Industrial Area
Dongyang, Zhejiang 322118 / CN
[N/P]
Former [2022/35]For all designated states
Hengdian Group DMEGC Magnetics Co. Ltd.
Hengdian Industrial Area
Dongyang, Zhejiang 322118 / CN
Inventor(s)01 / LYU, Donghua
Hengdian Industrial Area
Dongyang, Zhejiang 322118 / CN
 [2022/35]
Representative(s)Elzaburu S.L.P.
Edificio Torre de Cristal
Paseo de la Castellana 259 C, planta 28
28046 Madrid / ES
[2022/35]
Application number, filing date20919900.915.07.2020
[2022/35]
WO2020CN101986
Priority number, dateCN20201010179719.02.2020         Original published format: CN202010101797
[2022/35]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021164191
Date:26.08.2021
Language:ZH
[2021/34]
Type: A1 Application with search report 
No.:EP4049987
Date:31.08.2022
Language:EN
[2022/35]
Search report(s)International search report - published on:CN26.08.2021
(Supplementary) European search report - dispatched on:EP17.11.2023
ClassificationIPC:H01F1/34, H01F41/02, C04B35/38, C04B35/622, C04B35/634
[2023/51]
CPC:
H01F1/344 (EP,CN,US); C04B35/2633 (CN); C04B35/2658 (EP,US);
C04B35/265 (CN); C04B35/622 (CN); C04B35/6262 (EP,US);
C04B35/6264 (US); C04B35/62655 (US); C04B35/62695 (EP,US);
C04B35/6303 (US); C04B35/63416 (EP,CN,US); C04B35/64 (EP,US);
H01F41/02 (CN); H01F41/0246 (EP); C04B2235/3208 (EP,CN);
C04B2235/3244 (EP,CN,US); C04B2235/3262 (CN); C04B2235/3274 (US);
C04B2235/3275 (EP,CN,US); C04B2235/3284 (CN); C04B2235/3293 (EP,CN,US);
C04B2235/442 (US); C04B2235/604 (EP,US); C04B2235/656 (CN,US);
C04B2235/661 (US) (-)
Former IPC [2022/35]C04B35/38, C04B35/622, C04B35/634, H01F41/02, H01F1/34
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 [2022/35]
TitleGerman:MANGAN-ZINK-FERRIT MIT HOHER NEGATIVER TEMPERATUR-MAGNETPERMEABILITÄT UND GERINGEM HOCHTEMPERATUR-VERLUST UND HERSTELLUNGSVERFAHREN DAFÜR[2022/35]
English:MANGANESE ZINC FERRITE WITH HIGH NEGATIVE-TEMPERATURE MAGNETIC PERMEABILITY AND LOW HIGH-TEMPERATURE LOSS, AND PREPARATION METHOD THEREFOR[2022/35]
French:FERRITE DE ZINC ET DE MANGANÈSE PRÉSENTANT UNE PERMÉABILITÉ MAGNÉTIQUE ÉLEVÉE À TEMPÉRATURE NÉGATIVE ET UNE FAIBLE PERTE À TEMPÉRATURE ÉLEVÉE ET PROCÉDÉ DE PRÉPARATION ASSOCIÉ[2022/35]
Entry into regional phase26.05.2022Translation filed 
26.05.2022National basic fee paid 
26.05.2022Search fee paid 
26.05.2022Designation fee(s) paid 
26.05.2022Examination fee paid 
Examination procedure26.05.2022Examination requested  [2022/35]
05.06.2024Amendment by applicant (claims and/or description)
05.06.2024Date on which the examining division has become responsible
Fees paidRenewal fee
26.05.2022Renewal fee patent year 03
12.07.2023Renewal fee patent year 04
10.07.2024Renewal fee patent year 05
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]CN103588472  (HENGDIAN GROUP DMEGC JSC LTD) [X] 1,3 * examples 1-3; claim 1 * [I] 2,4-10;
 [A]CN107417269  (CHONGQING ZHENGFENG ELECTRONIC CO LTD) [A] 1-10* claims 1-6 *;
 [A]CN110128124  (HAINING LIANFENG MAGNET IND CO LTD) [A] 1-10 * claims 1-10 *
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.