EP2300562B1 - Method for producing pulverized coal - Google Patents

Method for producing pulverized coal Download PDF

Info

Publication number
EP2300562B1
EP2300562B1 EP09757534.4A EP09757534A EP2300562B1 EP 2300562 B1 EP2300562 B1 EP 2300562B1 EP 09757534 A EP09757534 A EP 09757534A EP 2300562 B1 EP2300562 B1 EP 2300562B1
Authority
EP
European Patent Office
Prior art keywords
drying gas
pulverizer
volume
temperature
injected
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.)
Active
Application number
EP09757534.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2300562A1 (en
Inventor
Louis Schmit
Georges Stamatakis
Guy Junk
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.)
Paul Wurth SA
Original Assignee
Paul Wurth SA
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 Paul Wurth SA filed Critical Paul Wurth SA
Publication of EP2300562A1 publication Critical patent/EP2300562A1/en
Application granted granted Critical
Publication of EP2300562B1 publication Critical patent/EP2300562B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
    • C10B57/10—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/04—Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B02C23/34—Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
    • F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
    • F26B17/103—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis with specific material feeding arrangements, e.g. combined with disintegrating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
EP09757534.4A 2008-06-02 2009-06-02 Method for producing pulverized coal Active EP2300562B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU91451A LU91451B1 (en) 2008-06-02 2008-06-02 Method for producing pulverized coal
PCT/EP2009/056763 WO2009147153A1 (en) 2008-06-02 2009-06-02 Method for producing pulverized coal

Publications (2)

Publication Number Publication Date
EP2300562A1 EP2300562A1 (en) 2011-03-30
EP2300562B1 true EP2300562B1 (en) 2015-02-25

Family

ID=40228023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09757534.4A Active EP2300562B1 (en) 2008-06-02 2009-06-02 Method for producing pulverized coal

Country Status (13)

Country Link
US (1) US20110192079A1 (uk)
EP (1) EP2300562B1 (uk)
JP (1) JP5758800B2 (uk)
KR (1) KR101590920B1 (uk)
CN (1) CN102046758A (uk)
AU (1) AU2009253965B2 (uk)
BR (1) BRPI0913362B1 (uk)
CA (1) CA2725276C (uk)
LU (1) LU91451B1 (uk)
RU (1) RU2502780C2 (uk)
TW (1) TWI475105B (uk)
UA (1) UA104863C2 (uk)
WO (1) WO2009147153A1 (uk)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011067680A2 (en) 2009-12-04 2011-06-09 Barrick Gold Corporation Separation of cooper minerals from pyrite using air-metabisulfite treatment
US8349036B2 (en) * 2010-01-06 2013-01-08 General Electric Company Systems and method for heating and drying solid feedstock in a gasification system
JP5949414B2 (ja) * 2012-10-05 2016-07-06 新日鐵住金株式会社 粉砕プラント排ガス制御装置、粉砕プラント排ガス制御方法、及びコンピュータプログラム
US9494319B2 (en) * 2013-03-15 2016-11-15 General Electric Technology Gmbh Pulverizer monitoring
KR101522781B1 (ko) * 2013-10-17 2015-05-26 주식회사 포스코 미분탄을 이용한 코크스용 점결탄의 제조방법 및 이를 이용한 코크스 제조방법
CN104841544B (zh) * 2015-06-02 2017-08-11 天华化工机械及自动化研究设计院有限公司 一种氮气密闭循环pva制粉方法
KR101759329B1 (ko) * 2015-12-23 2017-07-18 주식회사 포스코 코크스 오븐 가스의 증량시스템 및 그 증량방법
CN107051689A (zh) * 2017-01-16 2017-08-18 中国电力工程顾问集团西南电力设计院有限公司 一种石灰石干磨制备布置结构
CN107488770A (zh) * 2017-10-17 2017-12-19 中冶赛迪工程技术股份有限公司 一种高炉喷煤制粉系统加湿工艺及装置
RU2771032C1 (ru) * 2021-08-13 2022-04-25 Федеральное автономное учреждение "25 Государственный научно-исследовательский институт химмотологии Министерства обороны Российской Федерации" Технологическая линия получения мелкодисперсного угольного топлива

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1467744A (en) * 1922-10-24 1923-09-11 Winkler William Caster
AR207472A1 (es) * 1974-08-16 1976-10-08 Coaltek Ass Un aparato para calentar material granuloso a temperaturas elevadas
DE2656046A1 (de) * 1976-12-10 1978-06-29 Babcock Bsh Ag Verfahren und einrichtung zur steuerung der trocknungstemperatur, insbesondere bei duesenrohrtrocknern
JPS54108062A (en) * 1978-02-13 1979-08-24 Hosokawa Micron Kk Explosionnproof pulverizing method and its device
SU787448A1 (ru) * 1978-04-14 1980-12-15 Восточный научно-исследовательский углехимический институт Способ термической подготовки угл дл коксовани
DE2852164C2 (de) * 1978-12-02 1985-06-20 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren und Vorrichtung zum Betrieb eines Heißgaserzeugers innerhalb einer Mahltrocknungsanlage
US4244529A (en) * 1979-05-07 1981-01-13 The Cleveland Cliffs Iron Company Inerting of pulverizing mills for combustible materials
DE2949720C2 (de) * 1979-12-11 1982-08-26 Alfelder Eisenwerke Carl Heise, KG vorm. Otto Wesselmann & Cie., 3220 Alfeld Verfahren und Vorrichtung zum Trocknen und Erhitzen von feuchter Kohle
DE3128865C2 (de) * 1981-07-22 1989-02-02 Rheinische Braunkohlenwerke AG, 5000 Köln Verfahren und Vorrichtung zum Mahltrocknen von vorgebrochener Rohbraunkohle zu Braunkohlenstaub
KR900002655B1 (ko) * 1983-08-01 1990-04-21 더 뱁콕 앤드 윌콕스 컴퍼니 석탄미분쇄기의 안전제어시스템
SU1736995A1 (ru) * 1989-05-23 1992-05-30 Восточный научно-исследовательский углехимический институт Способ подготовки угл дл коксовани
JPH0742491B2 (ja) * 1990-07-20 1995-05-10 川崎製鉄株式会社 高炉吹込み微粉炭乾燥装置
DE4223151C2 (de) * 1992-07-14 1994-11-10 Loesche Gmbh Verfahren zur Mahlung von Rohbraunkohle
DE10221739A1 (de) * 2002-05-16 2003-12-04 Kloeckner Humboldt Wedag Kreislaufmahlanlage mit Mühle und Sichter

Also Published As

Publication number Publication date
KR20110016463A (ko) 2011-02-17
AU2009253965A1 (en) 2009-12-10
JP2011522916A (ja) 2011-08-04
RU2010154520A (ru) 2012-07-20
JP5758800B2 (ja) 2015-08-05
KR101590920B1 (ko) 2016-02-02
WO2009147153A1 (en) 2009-12-10
EP2300562A1 (en) 2011-03-30
BRPI0913362B1 (pt) 2018-01-23
TW201009064A (en) 2010-03-01
CN102046758A (zh) 2011-05-04
CA2725276A1 (en) 2009-12-10
BRPI0913362A2 (pt) 2015-11-24
RU2502780C2 (ru) 2013-12-27
TWI475105B (zh) 2015-03-01
UA104863C2 (uk) 2014-03-25
AU2009253965B2 (en) 2014-12-04
CA2725276C (en) 2016-02-09
US20110192079A1 (en) 2011-08-11
LU91451B1 (en) 2009-12-03

Similar Documents

Publication Publication Date Title
EP2300562B1 (en) Method for producing pulverized coal
EP2389456B1 (en) Method for producing pulverized coal
EP2300561B1 (en) Method for producing pulverized coal
CN116481329A (zh) 一种可调节循环烟气用途及用量的系统及方法

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: 20101223

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): 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 SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA RS

RIN1 Information on inventor provided before grant (corrected)

Inventor name: JUNK, GUY

Inventor name: STAMATAKIS, GEORGES

Inventor name: SCHMIT, LOUIS

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: F26B 21/06 20060101ALI20140828BHEP

Ipc: C10B 57/10 20060101AFI20140828BHEP

Ipc: F26B 17/10 20060101ALI20140828BHEP

Ipc: C21B 5/00 20060101ALI20140828BHEP

Ipc: B02C 23/34 20060101ALI20140828BHEP

Ipc: B02C 23/04 20060101ALI20140828BHEP

INTG Intention to grant announced

Effective date: 20141001

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): 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 SE SI SK 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: 602009029568

Country of ref document: DE

Effective date: 20150409

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 712014

Country of ref document: AT

Kind code of ref document: T

Effective date: 20150415

REG Reference to a national code

Ref country code: NL

Ref legal event code: T3

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: 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: 20150525

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: 20150225

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: 20150225

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: 20150225

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: 20150225

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: 20150225

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

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: 20150225

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: 20150526

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: 20150625

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

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: 20150225

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: 20150225

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: 20150225

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: 20150225

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: 20150225

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602009029568

Country of ref document: DE

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

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: 20150225

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: 20150225

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: 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: 20150225

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20151126

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

Ref country code: LU

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: 20150602

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: 20150225

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20160229

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: 20150602

Ref country code: LI

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

Effective date: 20150630

Ref country code: CH

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

Effective date: 20150630

REG Reference to a national code

Ref country code: AT

Ref legal event code: UEP

Ref document number: 712014

Country of ref document: AT

Kind code of ref document: T

Effective date: 20150225

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150225

Ref country code: FR

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

Effective date: 20150630

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

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: 20150225

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: 20090602

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: 20150225

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: 20150225

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: 20150225

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: 20150225

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: 20150225

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

Effective date: 20230524

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

Ref country code: NL

Payment date: 20230516

Year of fee payment: 15

Ref country code: DE

Payment date: 20221011

Year of fee payment: 15

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

Ref country code: AT

Payment date: 20230516

Year of fee payment: 15

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

Ref country code: GB

Payment date: 20230515

Year of fee payment: 15