EP2868757A4 - Copper-alloy wire rod and manufacturing method therefor - Google Patents

Copper-alloy wire rod and manufacturing method therefor

Info

Publication number
EP2868757A4
EP2868757A4 EP13812970.5A EP13812970A EP2868757A4 EP 2868757 A4 EP2868757 A4 EP 2868757A4 EP 13812970 A EP13812970 A EP 13812970A EP 2868757 A4 EP2868757 A4 EP 2868757A4
Authority
EP
European Patent Office
Prior art keywords
copper
manufacturing
wire rod
alloy wire
method therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13812970.5A
Other languages
German (de)
French (fr)
Other versions
EP2868757B1 (en
EP2868757A1 (en
Inventor
Tsukasa Takazawa
Satoshi Teshigawara
Toshio Abe
Shuji Tomimatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Publication of EP2868757A1 publication Critical patent/EP2868757A1/en
Publication of EP2868757A4 publication Critical patent/EP2868757A4/en
Application granted granted Critical
Publication of EP2868757B1 publication Critical patent/EP2868757B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026—Alloys based on copper
EP13812970.5A 2012-07-02 2013-07-02 Copper-alloy wire rod and manufacturing method therefor Active EP2868757B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012148919 2012-07-02
PCT/JP2013/068159 WO2014007258A1 (en) 2012-07-02 2013-07-02 Copper-alloy wire rod and manufacturing method therefor

Publications (3)

Publication Number Publication Date
EP2868757A1 EP2868757A1 (en) 2015-05-06
EP2868757A4 true EP2868757A4 (en) 2016-04-27
EP2868757B1 EP2868757B1 (en) 2019-01-16

Family

ID=49882012

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13812970.5A Active EP2868757B1 (en) 2012-07-02 2013-07-02 Copper-alloy wire rod and manufacturing method therefor

Country Status (5)

Country Link
EP (1) EP2868757B1 (en)
JP (1) JP5840234B2 (en)
KR (1) KR101719888B1 (en)
CN (1) CN104169448B (en)
WO (1) WO2014007258A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6201815B2 (en) * 2014-02-28 2017-09-27 株式会社オートネットワーク技術研究所 Method for producing copper alloy stranded wire
WO2015152166A1 (en) * 2014-03-31 2015-10-08 古河電気工業株式会社 Copper alloy wire material and manufacturing method thereof
CN104046842A (en) * 2014-06-05 2014-09-17 锐展(铜陵)科技有限公司 Preparation method of high-content nickel-copper alloy wire for electronic instrument of automobile
JP6529346B2 (en) * 2015-06-04 2019-06-12 古河電気工業株式会社 High bending fatigue resistance copper based alloy wire
CN105401044A (en) * 2015-11-23 2016-03-16 芜湖楚江合金铜材有限公司 Copper alloy wire for ultrafine machining and preparing method for copper alloy wire
CN105603242B (en) * 2015-12-21 2018-03-23 赣州江钨拉法格高铁铜材有限公司 A kind of copper silver magnesium alloy contact wire and preparation method thereof
JP6284691B1 (en) * 2016-05-16 2018-02-28 古河電気工業株式会社 Copper alloy wire
CN115427595A (en) * 2021-03-23 2022-12-02 古河电气工业株式会社 Copper alloy wire
CN113560365B (en) * 2021-07-22 2023-08-15 诺克威新材料(江苏)有限公司 Processing method for improving wiredrawing strength of copper alloy
CN114369735A (en) * 2021-12-16 2022-04-19 虹华科技股份有限公司 Processing technology of high-purity copper wire for electronic chip

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020066503A1 (en) * 2000-10-13 2002-06-06 Hakaru Matsui Ultrafine copper alloy wire, stranded copper alloy wire conductor, extrafine coaxial cable, and process for producing ultrafine copper alloy wire
JP2005089805A (en) * 2003-09-16 2005-04-07 Hitachi Cable Ltd Method for producing copper alloy conductor
JP2008081835A (en) * 2006-09-29 2008-04-10 Nikko Kinzoku Kk Copper alloy

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02118037A (en) * 1988-10-28 1990-05-02 Nippon Mining Co Ltd High tensile and high conductivity copper alloy having excellent adhesion of oxidized film
JPH02243733A (en) 1989-03-15 1990-09-27 Fujikura Ltd Copper alloy wire rod
JPH0477060A (en) 1990-07-16 1992-03-11 Minolta Camera Co Ltd Image forming device
JP3941304B2 (en) * 1999-11-19 2007-07-04 日立電線株式会社 Super fine copper alloy wire, method for producing the same, and electric wire using the same
JP5195019B2 (en) * 2008-05-21 2013-05-08 住友電気工業株式会社 Cu-Ag alloy wire, winding, and coil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020066503A1 (en) * 2000-10-13 2002-06-06 Hakaru Matsui Ultrafine copper alloy wire, stranded copper alloy wire conductor, extrafine coaxial cable, and process for producing ultrafine copper alloy wire
JP2005089805A (en) * 2003-09-16 2005-04-07 Hitachi Cable Ltd Method for producing copper alloy conductor
JP2008081835A (en) * 2006-09-29 2008-04-10 Nikko Kinzoku Kk Copper alloy

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014007258A1 *

Also Published As

Publication number Publication date
CN104169448A (en) 2014-11-26
JP5840234B2 (en) 2016-01-06
WO2014007258A1 (en) 2014-01-09
CN104169448B (en) 2017-10-24
KR101719888B1 (en) 2017-03-24
KR20150030188A (en) 2015-03-19
JPWO2014007258A1 (en) 2016-06-02
EP2868757B1 (en) 2019-01-16
EP2868757A1 (en) 2015-05-06

Similar Documents

Publication Publication Date Title
GB2520596B (en) Manufacturing method
EP2868758A4 (en) Copper-alloy wire rod and manufacturing method therefor
EP2891554A4 (en) Metal structure and method for manufacturing same
GB2514071B (en) Shape memory alloy actuation apparatus
EP2767985A4 (en) Conductive structure and method for manufacturing same
EP2747093A4 (en) Conductive structure and method for manufacturing same
EP2892056A4 (en) Conductive structure and method for manufacturing same
EP2815668A4 (en) Shoe and manufacturing method therefor
EP2868757A4 (en) Copper-alloy wire rod and manufacturing method therefor
EP2862733A4 (en) Stabilizer link and manufacturing method therefor
EP2816245A4 (en) Stabilizer link and manufacturing method therefor
HK1221980A1 (en) Copper alloy wire material and method for producing same
RS60560B1 (en) Method and assembly for producing a crimped connection
EP2894732A4 (en) Core wire insulating structure and insulating method
EP2837006A4 (en) Cns-shielded wires
EP2882552A4 (en) Method for producing silver nano-particles and silver nano-particles
EP2782224A4 (en) Coil manufacturing method
EP2806045A4 (en) Rolled wire rod, and method for producing same
ZA201406891B (en) Wire rod and steel wire using same
EP2966186A4 (en) Strength member and manufacturing method therefor
EP2857119A4 (en) Expanded metal tube manufacturing method
EP2940778A4 (en) Sulfide-solid-electrolyte manufacturing method
EP2897133A4 (en) Terminal-formed wire and method for manufacturing said terminal-formed wire
EP2879178A4 (en) Sensor and manufacturing method therefor
EP2902125A4 (en) Wire drawing machine and wire drawing method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20150130

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL 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

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160331

RIC1 Information provided on ipc code assigned before grant

Ipc: H01B 5/02 20060101ALI20160318BHEP

Ipc: C22F 1/08 20060101ALI20160318BHEP

Ipc: C22C 9/00 20060101AFI20160318BHEP

Ipc: H01B 1/02 20060101ALI20160318BHEP

Ipc: H01B 13/00 20060101ALI20160318BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20170124

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20180612

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAL Information related to payment of fee for publishing/printing deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR3

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

INTC Intention to grant announced (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

INTG Intention to grant announced

Effective date: 20181123

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL 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

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602013049985

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1089751

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190215

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: E. BLUM AND CO. AG PATENT- UND MARKENANWAELTE , CH

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20190116

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1089751

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190516

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190416

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190416

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190516

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602013049985

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

26N No opposition filed

Effective date: 20191017

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190702

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190702

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190731

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190702

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190702

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20130702

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190116

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230512

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20230801

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20230531

Year of fee payment: 11