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Extract from the Register of European Patents

EP About this file: EP3604227

EP3604227 - FERRITE POWDER, RESIN COMPOSITION, AND MOLDED BODY [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  10.03.2023
Database last updated on 11.09.2024
FormerRequest for examination was made
Status updated on  03.01.2020
FormerThe international publication has been made
Status updated on  06.10.2018
Most recent event   Tooltip22.03.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Powdertech Co., Ltd.
217, Toyofuta
Kashiwa-shi, Chiba 277-8557 / JP
[2020/06]
Inventor(s)01 / ISHII Kazutaka
c/o Powdertech Co., Ltd./
217, Toyofuta
Kashiwa-shi Chiba 2778557 / JP
02 / AGA Koji
c/o Powdertech Co., Ltd.
217,Toyofuta
Kashiwa-shi Chiba 2778557 / JP
03 / SUGIURA Takao
c/o Powdertech Co., Ltd.
217, Toyofuta
Kashiwa-shi, Chiba 2778557 / JP
04 / KOJIMA Takashi
c/o Powdertech Co., Ltd.
217, Toyofuta
Kashiwa-shi Chiba 2778557 / JP
 [2020/06]
Representative(s)Hoefer & Partner Patentanwälte mbB
Pilgersheimer Straße 20
81543 München / DE
[2020/06]
Application number, filing date18778294.130.03.2018
[2020/06]
WO2018JP13991
Priority number, dateJP2017007320931.03.2017         Original published format: JP 2017073209
[2020/06]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018182021
Date:04.10.2018
Language:JA
[2018/40]
Type: A1 Application with search report 
No.:EP3604227
Date:05.02.2020
Language:EN
[2020/06]
Search report(s)International search report - published on:JP04.10.2018
(Supplementary) European search report - dispatched on:EP11.12.2020
ClassificationIPC:C01G49/00, G11B5/706, G11B5/714, H01F1/113, C30B29/22, H01F1/11, H01F1/36, H01F1/37
[2021/02]
CPC:
C01G49/0036 (EP); H01F1/11 (US); B29C41/08 (US);
C01G49/00 (EP); C30B11/00 (EP); C30B29/22 (EP);
G11B5/706 (EP); G11B5/70678 (US); G11B5/714 (EP,US);
H01F1/113 (EP,US); C01P2004/04 (US); C01P2006/12 (US);
C01P2006/42 (US) (-)
Former IPC [2020/06]C01G49/00, G11B5/706, G11B5/714, H01F1/113
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 [2020/06]
TitleGerman:FERRITPULVER, HARZZUSAMMENSETZUNG UND FORMKÖRPER[2020/06]
English:FERRITE POWDER, RESIN COMPOSITION, AND MOLDED BODY[2020/06]
French:POUDRE DE FERRITE, COMPOSITION DE RÉSINE ET OBJET MOULÉ[2020/06]
Entry into regional phase16.09.2019Translation filed 
16.09.2019National basic fee paid 
16.09.2019Search fee paid 
16.09.2019Designation fee(s) paid 
16.09.2019Examination fee paid 
Examination procedure16.09.2019Examination requested  [2020/06]
19.07.2021Amendment by applicant (claims and/or description)
09.03.2023Despatch of a communication from the examining division (Time limit: M06)
18.09.2023Reply to a communication from the examining division
Fees paidRenewal fee
31.03.2020Renewal fee patent year 03
31.03.2021Renewal fee patent year 04
31.03.2022Renewal fee patent year 05
31.03.2023Renewal fee patent year 06
21.03.2024Renewal fee patent year 07
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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[X]US4042516  (MATSUMOTO SEIJI, et al) [X] 1-3 * 1st paragraph; examples 1 & 6; claims; col.3, l.20-23 *;
 [X]JPS566411  (SUMITOMO SPEC METALS) [X] 1-3 * the whole document *;
 [XI]US4765920  (GATTUSO TODD R [US], et al) [X] 1 * col.2, l.29-34; col.4, l.36-40; col. 6, l.60-67; examples * [I] 2,3;
 [A]EP1170757  (SHOEI CHEMICAL IND CO [JP], et al) [A] 1-3* paragraphs [0027], [0029], examples, claims, figures *;
 [X]EP3057110  (TODA KOGYO CORP [JP]) [X] 1-3 * para.[0027],[0029]; claim 2, examples, tables 1 & 2 *;
 [XA]  - KIM KYUMIN ET AL, "Effects of Calcination Conditions on Magnetic Properties in Strontium Ferrite Synthesized by the Molten Salt Method", IEEE TRANSACTIONS ON MAGNETICS, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 52, no. 7, doi:10.1109/TMAG.2016.2531119, ISSN 0018-9464, (20160701), pages 1 - 4, (20160623), XP011615052 [X] 1 * II. Experimental; figs. 2(a) & 4(a) and the discussion of said figures on the same page * [A] 2,3

DOI:   http://dx.doi.org/10.1109/TMAG.2016.2531119
 [XA]  - KAZIN ET AL, "Formation of submicron-sized SrFe"1"2"-"xAl"xO"1"9 with very high coercivity", JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, ELSEVIER, AMSTERDAM, NL, (20071030), vol. 320, no. 6, ISSN 0304-8853, pages 1068 - 1072, XP022487452 [X] 1 * 2. Experimental & figures 4(a), 4(b) and 5 * [A] 2,3
International search[A]JPS5574107  (DORNIER SYSTEM GMBH) [A] 1-3 * , claims, page 4, column 11, lines 10-16, page 5, column 15, line 19, column 16, line 2, examples 1, 2, fig. 1-3 & US 4336242 A:claims, column 2, lines 43-50, column 4, lines 8-12, examples 1-2, fig. 1-3 & EP 11265 A2 & DE 2850108 A1 *;
 [A]JPS621149  (TOSHIBA CORP) [A] 1-3* , entire text (Family: none) *;
 [A]US4765920  (GATTUSO TODD R [US], et al) [A] 1-3 * , column 2, lines 30-35, column 6, lines 60-67, examples 1-3, fig. 1-2 (Family: none) *;
 [A]JPH05258932  (SHOWA DENKO KABUSHIKI KAISHA) [A] 1-3 * , entire text (Family: none) *;
 [XY]JPH0948618  (SUMITOMO CHEMICAL CO) [X] 1 * , claims, paragraphs [0001], [0012], [0043], [0045], [0055], [0056], fig. 2 & US 5736111 A: claims, fig. 2, column 1, lines 5-15, column 3, lines 18-28, column 7, lines 19-25, column 7, lines 41-47, example 1 & DE 19630756 A1 * [Y] 2,3;
 [A]JP2002025816  (SHOEI CHEMICAL IND CO, et al) [A] 1-3 * , claims, paragraphs [0002], [0012]-[0016], examples, fig. 1, 7, 12 & US 2002/0017628 A1:claims, examples, fig. 1, 7, 12, paragraphs [0004], [0030]-[0035] & EP 1170757 A2 & DE 60105898 T2 & CA 2352545 A1 & KR 10-2002-0005469 A & CN 1335283 A & TW 584870 B & SG 101986 A1 & MY 127611 A *;
 [A]JP2003104790  (TDK CORP) [A] 1-3 * , claims, paragraph [0029], example 4, fig. 1, 7 & US 2002/0197461 A1:claims, paragraph [0064], "embodiment example 4", fig. 1, 7 & JP 2003-313093 A & EP 1262450 A1 & CA 2387677 A1 & KR 10-2002-0091780 A & CN 1389433 A & TW 1291936 B *;
 [YA]WO2016136701  (DOWA ELECTRONICS MATERIALS CO [JP], et al) [Y] 2,3 * , claims, paragraphs [0009], [0024], [0026], [0041], [0055], fig. 1 & EP 3264430 A1: claims, paragraphs [0015], [0039], [0042], [0067], [0095], [0096], fig. 1 & JP 2016-157939 A & CN 107004479 A & KR 10-2017-0121226 A * [A] 1
by applicantJP2013211316
 JP2016139451
 JP2017073209
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.