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
Register Forum

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

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3577242

EP3577242 - METHOD OF MAKING A DOUBLE-STRUCTURED BIMODAL TUNGSTEN CEMENTED CARBIDE COMPOSITE MATERIAL [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  18.08.2023
Database last updated on 15.08.2024
FormerThe patent has been granted
Status updated on  09.09.2022
FormerGrant of patent is intended
Status updated on  25.04.2022
FormerRequest for examination was made
Status updated on  18.03.2022
FormerGrant of patent is intended
Status updated on  04.11.2021
FormerRequest for examination was made
Status updated on  08.11.2019
FormerThe international publication has been made
Status updated on  11.08.2018
Formerunknown
Status updated on  13.03.2017
Most recent event   Tooltip14.06.2024Lapse of the patent in a contracting state
New state(s): MC		published on 17.07.2024  [2024/29]
Applicant(s)For all designated states
Tallinn University of Technology
Ehitajate tee 5
19086 Tallinn / EE
[2022/41]
Former [2019/50]For all designated states
Tallinn University of Technology
Ehitajate tee 5
19086 Tallinn / EE
For all designated states
Ecole Centrale Lyon
36 Avenue Guy de Collongue
69134 Ecully Cedex / FR
Inventor(s)01 / TARRASTE, Marek
Ehitajate tee 5
19086 Tallinn / EE
02 / YUNG, Der-Liang
Ehitajate tee 5
19086 Tallinn / EE
03 / ANTONOV, Maksim
Ehitajate tee 5
19086 Tallinn / EE
04 / HUSSAINOVA, Irina
Ehitajate tee 5
19086 Tallinn / EE
05 / VEINTHAL, Renno
Ehitajate tee 5
19086 Tallinn / EE
06 / PIRSO, Jüri
Ehitajate tee 5
19086 Tallinn / EE
07 / KAPSA, Philippe
École Centrale de Lyon
Laboratoire LTDS Bat. TMM23
36 Avenue Guy de Collongue
69134 Ecully Cedex / FR
08 / FRIDRICI, Vincent
École Centrale de Lyon
Laboratoire LTDS Bat. TMM23
36 Avenue Guy de Collongue
69134 Ecully Cedex / FR
09 / MAROU-ALZOUMA, Ousseini
44 rue des Dominicaines Etage 3
13001 Marseille / FR
10 / TABOULET, Alexandre
NFM Technologies 5
place Jules Ferry
69456 Lyon Cedex / FR
11 / CAMUS, Thomas
107 Avenue Ledru-Rollin
75011 Paris / FR
 [2019/50]
Representative(s)Koppel, Mart Enn
KOPPEL patendibüroo OÜ
Oja tee 22-2, Tiskre, Harku vald
76916 Harjumaa / EE
[2019/50]
Application number, filing date17708582.631.01.2017
[2019/50]
WO2017IB50505
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018142181
Date:09.08.2018
Language:EN
[2018/32]
Type: A1 Application with search report 
No.:EP3577242
Date:11.12.2019
Language:EN
The application published by WIPO in one of the EPO official languages on 09.08.2018 takes the place of the publication of the European patent application.
[2019/50]
Type: B1 Patent specification 
No.:EP3577242
Date:12.10.2022
Language:EN
[2022/41]
Search report(s)International search report - published on:EP09.08.2018
ClassificationIPC:C22C1/05, C22C1/10, C22C29/08
[2019/50]
CPC:
C22C29/08 (EP); C22C1/058 (EP); C22C1/1084 (EP);
B22F2998/10 (EP)
C-Set:
B22F2998/10, C22C1/1084, C22C1/05, B22F3/02, B22F3/10, C22C1/058 (EP)
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 [2019/50]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES DOPPELSTRUKTURIERTEN BIMODALEN WOLFRAMZEMENTIERTEN CARBID-VERBUNDSTOFFES[2019/50]
English:METHOD OF MAKING A DOUBLE-STRUCTURED BIMODAL TUNGSTEN CEMENTED CARBIDE COMPOSITE MATERIAL[2019/50]
French:PROCÉDÉ DE PRODUCTION D'UN MATÉRIAU COMPOSITE DE CARBURE CÉMENTÉ-TUNGSTÈNE BIMODAL À DOUBLE STRUCTURE[2019/50]
Entry into regional phase30.08.2019National basic fee paid 
30.08.2019Designation fee(s) paid 
30.08.2019Examination fee paid 
Examination procedure30.08.2019Examination requested  [2019/50]
30.08.2019Date on which the examining division has become responsible
30.03.2020Amendment by applicant (claims and/or description)
05.11.2021Communication of intention to grant the patent
15.03.2022Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
26.04.2022Communication of intention to grant the patent
25.08.2022Fee for grant paid
25.08.2022Fee for publishing/printing paid
05.09.2022Receipt of the translation of the claim(s)
Opposition(s)13.07.2023No opposition filed within time limit [2023/38]
Fees paidRenewal fee
30.08.2019Renewal fee patent year 03
24.01.2020Renewal fee patent year 04
26.01.2021Renewal fee patent year 05
28.01.2022Renewal fee patent year 06
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.
Lapses during opposition  TooltipAL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
IT12.10.2022
LT12.10.2022
LV12.10.2022
MC12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SI12.10.2022
SK12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
BE31.01.2023
IE31.01.2023
LU31.01.2023
IS12.02.2023
PT13.02.2023
[2024/29]
Former [2024/26]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
IT12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SI12.10.2022
SK12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
BE31.01.2023
IE31.01.2023
LU31.01.2023
IS12.02.2023
PT13.02.2023
Former [2024/08]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SI12.10.2022
SK12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
BE31.01.2023
IE31.01.2023
LU31.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/51]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SI12.10.2022
SK12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
BE31.01.2023
LU31.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/49]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SK12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
BE31.01.2023
LU31.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/43]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SK12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
LU31.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/38]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SK12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/37]AL12.10.2022
AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/35]AT12.10.2022
CZ12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RO12.10.2022
RS12.10.2022
SE12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/33]AT12.10.2022
DK12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RS12.10.2022
SE12.10.2022
SM12.10.2022
NO12.01.2023
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/26]AT12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
PL12.10.2022
RS12.10.2022
SE12.10.2022
NO12.01.2023
GR13.01.2023
IS12.02.2023
PT13.02.2023
Former [2023/24]AT12.10.2022
ES12.10.2022
FI12.10.2022
HR12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
SE12.10.2022
NO12.01.2023
GR13.01.2023
PT13.02.2023
Former [2023/23]AT12.10.2022
ES12.10.2022
FI12.10.2022
LT12.10.2022
LV12.10.2022
NL12.10.2022
SE12.10.2022
NO12.01.2023
GR13.01.2023
PT13.02.2023
Former [2023/22]AT12.10.2022
ES12.10.2022
FI12.10.2022
LT12.10.2022
NL12.10.2022
SE12.10.2022
NO12.01.2023
PT13.02.2023
Former [2023/20]LT12.10.2022
NL12.10.2022
NO12.01.2023
Former [2023/17]NL12.10.2022
Cited inInternational search[XDA]US5593474  (KESHAVAN MADAPUSI K [US], et al) [XD] 15,16 * column 1, lines 6-9 * * column 2, lines 31-43 * * claim 1 * [A] 1-14;
 [XA]EP1022350  (SANDVIK AB [SE]) [X] 15,16 * column 1, paragraph [0001] * * column 2, paragraph [0009] * [A] 1-14;
 [A]EP1105546  (SANDVIK AB [SE]) [A] 1-16 * the whole document *;
 [A]CN101338382  (HUNAN CENTURY SPECIAL ALLOY CO [CN]) [A] 1-16* the whole document *;
 [XA]  - WANG HAIBIN ET AL, "Wear resistance enhancement of bimodal-grained cemented carbide coating", SURFACE AND COATINGS TECHNOLOGY, ELSEVIER BV, AMSTERDAM, NL, (20161031), vol. 309, doi:10.1016/J.SURFCOAT.2016.10.090, ISSN 0257-8972, pages 759 - 766, XP029893162 [X] 15 * 5. Conclusions; page 765 * [A] 1-14,16

DOI:   http://dx.doi.org/10.1016/j.surfcoat.2016.10.090
by applicantUS5593474
 US6293986
 US7384443
 EE05780
    - SAITO, H.; IWABUCHI, A.; SHIMIZU, T., EFFECTS OF CO CONTENT AND WC GRAIN SIZE ON WEAR OF WC CEMENTED CARBIDE WEAR, vol. 261, (2006), pages 126 - 132, URL: http://dx. doi. org/10. 10 16/j. wear. 2005.09.034
    - GILLE, G.; SZESNY, B.; DREYER, K.; VAN DEN BERG, H.; SCHMIDT, J.; GESTRICH, T.; LEITNER, G., SUBMICRON AND ULTRAFINE GRAINED HARDMETALS FOR MICRODRILLS AND METAL CUTTING INSERTS INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS, vol. 20, (2002), pages 3 - 22, URL: http://dx.doi.org/10.1016/S0263-4368(01)00066-X
    - KONYASHIN, I; RIES, B; LACHMANN, F, "Near-nano WC-Co hardmetals: Will They Substitute Conventional Coarse-Grained Mining Grades?", INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS, (2010), vol. 28, pages 489 - 497
    - LIU, C.; LIN, N.; HE, Y.; WU, C.; JIANG, Y., "The Effects of Micron WC Contents on the Microstructure and Mechanical Properties of Ultrafine WC-(micron WC-Co) Cemented Carbides", JOURNAL OF ALLOYS AND COMPOUNDS, vol. 594, (2014), pages 76 - 81, URL: http://dx.doi.org/10.1016/j.jallcom.2014.01.090
    - PETERSSON, A.; AGREN, J., "Sintering Shrinkage of WC-Co Materials with Bimodal Grain Size Distribution", ACTA MATERIALIA, (2005), vol. 53, pages 1665 - 1671
    - PIRSO, J.; VILJUS, M.; JUHANI, K.; LETUNOVITS, S., "Microstructure Evolution in WC-Co Composites During Reactive Sintering From Nanocrystalline Powders", PROCEEDINGS OF THE 2008 WORLD CONGRESS ON POWDER METALLURGY AND PARTICULATE MATERIALS CD-ROM
    - JUHANI, K.; PIRSO, J.,; VILJUS, M.; LETUNOVITS, S.; TARRASTE, M., "The Influence of Cr3C2 and VC as Alloying Additives on the Microstructure and Properties of Reactive Sintered WC-Co Cermets", MATERIALS SCIENCE (MEDZIAGOTYRA, (2012), vol. 18, no. 1, pages 79 - 83
    - TARRASTE, M.; JUHANI, K.; PIRSO, J.; VILJUS, M., "Erosion Wear of Reactive Sintered WC-TiC-Co Cermets", KEY ENGINEERING MATERIALS, vol. 604, (2014), pages 63 - 66, URL: http://dx.doi.org/10.4028/www.scientific.net/KEM.604.63
    - TARRASTE, M.; JUHANI, K.; PIRSO, J.; VILJUS, M., "Reactive Sintering of Bimodal WC-Co Hardmetals", MATERIALS SCIENCE (MEDZIAGOTYRA, (2015), vol. 21, no. 3, pages 382 - 385
    - LAWN, H. R.; FULLER, E. R., "Equilibrium penny-like cracks in indentation fracture", JOURNAL OF MATERIALS SCIENCE, (1975), vol. 10, pages 2016 - 2024
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.