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Extract from the Register of European Patents

EP About this file: EP2389456

EP2389456 - METHOD FOR PRODUCING PULVERIZED COAL [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  16.06.2023
Database last updated on 19.03.2026
FormerThe patent has been granted
Status updated on  17.11.2017
FormerGrant of patent is intended
Status updated on  18.07.2017
Most recent event   Tooltip16.06.2023Patent maintained (B2 publication)published on 19.07.2023  [2023/29]
Applicant(s)For all designated states
Paul Wurth S.A.
32, rue d'Alsace
1122 Luxembourg / LU
[2017/51]
Former [2011/48]For all designated states
Paul Wurth S.A.
32rue d'Alsace
1122 Luxembourg / LU
Inventor(s)01 / GOEDERT, Paul
18 rue Lodève
L-5651 Mondorf-les-Bains / LU
02 / MAYER, Markus
Bonner-Strasse 36
54294 Trier / DE
03 / STAMATAKIS, Georges
13 rue de Lenningen
L-5411 Canach / LU
04 / CAUWENBERGHS, Bernard
1, rue du Bois
L-8387 Koerich / LU
 [2011/48]
Representative(s)Office Freylinger
P.O. Box 48
8001 Strassen / LU
[2013/33]
Former [2011/48]Lambert, Romain Ramon
Office Ernest T. Freylinger S.A., 234, route d'Arlon, B.P. 48
8001 Strassen / LU
Application number, filing date10701504.221.01.2010
[2017/51]
WO2010EP50689
Priority number, dateLU2009009151721.01.2009         Original published format: LU 91517
[2011/48]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2010084156
Date:29.07.2010
Language:EN
[2010/30]
Type: A1 Application with search report 
No.:EP2389456
Date:30.11.2011
Language:EN
The application published by WIPO in one of the EPO official languages on 29.07.2010 takes the place of the publication of the European patent application.
[2011/48]
Type: B1 Patent specification 
No.:EP2389456
Date:20.12.2017
Language:EN
[2017/51]
Type: B2 New European patent specification 
No.:EP2389456
Date:19.07.2023
Language:EN
[2023/29]
Search report(s)International search report - published on:EP29.07.2010
ClassificationIPC:C21B5/00, F26B21/10, B02C23/30, B02C23/34, C10B57/10
[2011/48]
CPC:
C10B57/10 (EP,KR,US); C21B5/00 (KR); B02C23/30 (EP,KR,US);
B02C23/34 (EP,US); C21B5/003 (EP,US); C21B9/00 (EP,US);
F23K1/04 (EP,US); F26B1/005 (EP,US); F26B17/103 (EP,US);
F26B21/25 (EP,US); F26B21/35 (KR); F26B23/001 (EP,US);
F23K2201/103 (EP,US); F23K2201/20 (EP,US); Y02E50/30 (EP,US);
Y02P70/10 (EP,US) (-)
Designated contracting statesAT,   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,   SM,   TR [2017/51]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON PULVERISIERTER KOHLE[2011/48]
English:METHOD FOR PRODUCING PULVERIZED COAL[2011/48]
French:PROCÉDÉ DE PRODUCTION DE CHARBON PULVÉRISÉ[2011/48]
Entry into regional phase18.08.2011National basic fee paid 
18.08.2011Designation fee(s) paid 
18.08.2011Examination fee paid 
Examination procedure22.11.2010Request for preliminary examination filed
International Preliminary Examining Authority: EP
18.08.2011Examination requested  [2011/48]
12.03.2012Amendment by applicant (claims and/or description)
23.09.2014Despatch of a communication from the examining division (Time limit: M06)
07.04.2015Reply to a communication from the examining division
19.07.2017Communication of intention to grant the patent
10.11.2017Fee for grant paid
10.11.2017Fee for publishing/printing paid
10.11.2017Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  23.09.2014
Opposition(s)Opponent(s)01  20.09.2018  25.09.2018  ADMISSIBLE
Loesche GmbH
Hansaallee 243
40549 Düsseldorf / DE
Opponent's representative
Wunderlich & Heim Patentanwälte PartG mbB
Irmgardstraße 3
81479 München / DE
 02  20.09.2018  25.09.2018  ADMISSIBLE
Küttner GmbH & Co. KG
Alfredstraße 28
45130 Essen / DE
Opponent's representative
Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
 [N/P]
Former [2018/44]
Opponent(s)01  20.09.2018  25.09.2018  ADMISSIBLE
Loesche GmbH
Hansaallee 243
40549 Düsseldorf / DE
Opponent's representative
Wunderlich & Heim Patentanwälte Partnerschaftsgesellschaft mbB
Irmgardstrasse 3
81479 München / DE
 02  20.09.2018  25.09.2018  ADMISSIBLE
Küttner GmbH & Co. KG
Alfredstraße 28
45130 Essen / DE
Opponent's representative
Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
05.10.2018Invitation to proprietor to file observations on the notice of opposition
15.02.2019Reply of patent proprietor to notice(s) of opposition
28.05.2021Cancellation of oral proceeding that was planned for 01.06.2021
01.06.2021Date of oral proceedings
12.10.2022Date of oral proceedings
13.10.2022Legal effect of interlocutory decision in opposition
20.12.2022Despatch of interlocutory decision in opposition
20.12.2022Despatch of minutes of oral proceedings
25.04.2023Despatch of communication that the patent will be maintained as amended
12.06.2023Fee for printing new specification paid
Fees paidRenewal fee
14.12.2011Renewal fee patent year 03
11.12.2012Renewal fee patent year 04
18.11.2013Renewal fee patent year 05
14.11.2014Renewal fee patent year 06
13.11.2015Renewal fee patent year 07
15.12.2016Renewal fee patent year 08
Opt-out from the exclusive  Tooltip
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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  TooltipHU21.01.2010
CY20.12.2017
CZ20.12.2017
DK20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
MK20.12.2017
PL20.12.2017
PT20.12.2017
RO20.12.2017
SE20.12.2017
SI20.12.2017
SK20.12.2017
SM20.12.2017
TR20.12.2017
IE21.01.2018
LU21.01.2018
MT21.01.2018
BE31.01.2018
CH31.01.2018
LI31.01.2018
FR20.02.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
[2020/31]
Former [2020/27]HU21.01.2010
CY20.12.2017
CZ20.12.2017
DK20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
PT20.12.2017
RO20.12.2017
SE20.12.2017
SI20.12.2017
SK20.12.2017
SM20.12.2017
TR20.12.2017
IE21.01.2018
LU21.01.2018
MT21.01.2018
BE31.01.2018
CH31.01.2018
LI31.01.2018
FR20.02.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2020/16]CY20.12.2017
CZ20.12.2017
DK20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SI20.12.2017
SK20.12.2017
SM20.12.2017
TR20.12.2017
IE21.01.2018
LU21.01.2018
MT21.01.2018
BE31.01.2018
CH31.01.2018
LI31.01.2018
FR20.02.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2020/08]CY20.12.2017
CZ20.12.2017
DK20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SI20.12.2017
SK20.12.2017
SM20.12.2017
IE21.01.2018
LU21.01.2018
MT21.01.2018
BE31.01.2018
CH31.01.2018
LI31.01.2018
FR20.02.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2019/13]CY20.12.2017
CZ20.12.2017
DK20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SI20.12.2017
SK20.12.2017
SM20.12.2017
IE21.01.2018
LU21.01.2018
BE31.01.2018
CH31.01.2018
LI31.01.2018
FR20.02.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2019/09]CY20.12.2017
CZ20.12.2017
DK20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SK20.12.2017
SM20.12.2017
IE21.01.2018
LU21.01.2018
BE31.01.2018
CH31.01.2018
LI31.01.2018
FR20.02.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2018/51]CY20.12.2017
CZ20.12.2017
DK20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SK20.12.2017
SM20.12.2017
LU21.01.2018
BE31.01.2018
CH31.01.2018
LI31.01.2018
FR20.02.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2018/49]CY20.12.2017
CZ20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SK20.12.2017
SM20.12.2017
LU21.01.2018
BE31.01.2018
FR20.02.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2018/47]CY20.12.2017
CZ20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SK20.12.2017
SM20.12.2017
LU21.01.2018
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2018/44]CY20.12.2017
CZ20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
MC20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SK20.12.2017
SM20.12.2017
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2018/40]CY20.12.2017
CZ20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
PL20.12.2017
RO20.12.2017
SE20.12.2017
SK20.12.2017
SM20.12.2017
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2018/38]CY20.12.2017
CZ20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
PL20.12.2017
SE20.12.2017
SK20.12.2017
SM20.12.2017
BG20.03.2018
NO20.03.2018
GR21.03.2018
IS20.04.2018
Former [2018/37]CY20.12.2017
CZ20.12.2017
EE20.12.2017
ES20.12.2017
FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
PL20.12.2017
SE20.12.2017
SK20.12.2017
SM20.12.2017
BG20.03.2018
NO20.03.2018
GR21.03.2018
Former [2018/24]FI20.12.2017
HR20.12.2017
LT20.12.2017
LV20.12.2017
SE20.12.2017
BG20.03.2018
NO20.03.2018
GR21.03.2018
Former [2018/23]FI20.12.2017
HR20.12.2017
LT20.12.2017
SE20.12.2017
NO20.03.2018
GR21.03.2018
Former [2018/21]FI20.12.2017
LT20.12.2017
NO20.03.2018
Cited inInternational search[I] JPS57145908  (KOBE STEEL LTD et al.) [I] 1-14 * abstract * * figure . *
 [I] US4541572  (TAMURA SETSUO et al.) [I] 1-14 * figures 2,7 * * claims 1-7 *
 [A] JPS59145711  (NIPPON STEEL CORP et al.) [A] 1-14 * abstract *
 [A] KR20040003630  (POSCO et al.) [A] 1-14 * figures 1-3 *
OppositionCN1257757
 WO2010084156
 JPS57145908
 US4541572
 JP2018145711
 KR20040003630
 WO2010084156
 WO2007022837
   DOKUMENTATION DES ALLGEMEINEN FACHWISSENS ZUM BETRIEB VON KOHLEMAHLTROCKNUNGSANLAGE FR FEINKOHLEEINBLASANLAGEN, December 1989 (1989-12-01) * ; *
   HARTIG ET AL.: "Coal grinding and drying at ROGESA by using hot stoves waste gas", EXPERIENCE IN DIALOGUE, 14 June 2000 (2000-06-14), pages 118 - 149, XP055521400
   GERHARD SALEWSKI: "Loesche Coal Grinding Plants for Pulverised Coal Injection", PRESENTATION FOR POSCO STEEL KWANGYANG PLANT, KOREA
   ANONYM: "Loesche-Mhlen fr feste Brennstoffe", LOESCHE
   "New Trends in Coal Preparation Technologies and Equipment", PROCEEDINGS OF THE 12TH INTERNATIONAL COAL PREPARATION CONGRESS, 23 May 1994 (1994-05-23), Cracow, Poland, XP055521412
   G EICKE: "Ausfuhrung und Sicherheit von Kohle-Zentralmahlanlagen / Construction and Safety of Central Grinding Plants for Coal", LOESCHE, 1982, pages 1 - 14, XP055521414
   ANONYM: "Wlzmhlen Roller Grinding Mills", LOESCHE, 1995, pages 1 - 22, XP055521421
   Salewski "latest experiments and develpments of Coal grinding plants with roller grinding mills", Proceedings of the Blast Furnace Injection Technology Conference pp 75-96 (1997)
   HARTIG ET AL.: "Coal grinding and drying at ROGESA by using hot stoves waste gas", EXPERIENCE IN DIALOGUE, 14 June 2000 (2000-06-14), pages 118 - 149
   ANONYM: "Loesche-Mhlen fr feste Brennstoffe", LOESCHE, pages 1 - 20 * ; *
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.