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Extract from the Register of European Patents

EP About this file: EP2920344

EP2920344 - CARBON FIBERS DERIVED FROM LIGNIN/CARBON RESIDUE [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  01.12.2023
Database last updated on 28.06.2024
FormerGrant of patent is intended
Status updated on  02.07.2023
FormerExamination is in progress
Status updated on  22.04.2020
Most recent event   Tooltip27.06.2024Lapse of the patent in a contracting statepublished on 31.07.2024 [2024/31]
Applicant(s)For all designated states
GrafTech International Holdings Inc.
982 Keynote Circle
Brooklyn Heights, OH 44131 / US
[2024/01]
Former [2018/41]For all designated states
GrafTech International Holdings Inc.
982 Keynote Circle
Brooklyn Heights, OH 44131 / US
Former [2015/39]For all designated states
Graftech International Holdings Inc.
12900 Snow Road
Parma, OH 44130 / US
Inventor(s)01 / ADRIANOWYCZ, Orest, L.
3402 Ridge Park Drive
Broadview Hts., OH 44147 / US
02 / ALNASLEH, Bassam, Kamal
14711 Armitage Lane
Sugar Land, TX 77498 / US
03 / CHANG, Ching-Feng
19314 Saratoga Trail
Strongsville, OH 44136 / US
04 / GUL, Omer
7831 Blue Lake Drive
Rosenberg, TX 77649 / US
05 / HAUSNER, Andrew, Adam
11480 Cheyenne Trail Unit G
Parma Heights, OH 44130 / US
06 / MILLER, Robert, E.
3559 Liscott Road
Southaven, MS 38672 / US
 [2015/39]
Representative(s)Brand Murray Fuller LLP
50 Eastcastle Street
London W1W 8EA / GB
[2024/01]
Former [2015/39]Rees, Kerry
WP Thompson
55 Drury Lane
London WC2B 5SQ / GB
Application number, filing date13854547.005.11.2013
[2015/39]
WO2013US68388
Priority number, dateUS201261727190P16.11.2012         Original published format: US 201261727190 P
[2015/39]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2014078120
Date:22.05.2014
Language:EN
[2014/21]
Type: A1 Application with search report 
No.:EP2920344
Date:23.09.2015
Language:EN
The application published by WIPO in one of the EPO official languages on 22.05.2014 takes the place of the publication of the European patent application.
[2015/39]
Type: B1 Patent specification 
No.:EP2920344
Date:03.01.2024
Language:EN
[2024/01]
Search report(s)International search report - published on:US22.05.2014
(Supplementary) European search report - dispatched on:EP09.06.2016
ClassificationIPC:D01F9/17, D01F9/145, // C07G1/00, C08L95/00, C08L97/00, C08H7/00
[2016/27]
CPC:
D01F9/17 (EP,US); C07G1/00 (EP,US); C08H6/00 (EP,US);
C08L97/005 (EP,US); D01F9/145 (EP,US); C08L95/00 (EP,US)
C-Set:
C08L97/005, C08L95/00 (EP,US)
Former IPC [2015/39]D01F9/12, C07G1/00, C08H7/00
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 [2015/39]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:KOHLENSTOFFFASERN AUS LIGNIN-/KOHLENSTOFFREST[2015/39]
English:CARBON FIBERS DERIVED FROM LIGNIN/CARBON RESIDUE[2015/39]
French:FIBRES DE CARBONE DÉRIVÉES DE RÉSIDU DE LIGNINE/CARBONE[2015/39]
Entry into regional phase29.04.2015National basic fee paid 
29.04.2015Search fee paid 
29.04.2015Designation fee(s) paid 
29.04.2015Examination fee paid 
Examination procedure29.04.2015Examination requested  [2015/39]
12.12.2016Amendment by applicant (claims and/or description)
28.04.2020Despatch of a communication from the examining division (Time limit: M04)
07.09.2020Reply to a communication from the examining division
03.07.2023Communication of intention to grant the patent
26.09.2023Fee for grant paid
26.09.2023Fee for publishing/printing paid
26.09.2023Receipt 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  28.04.2020
Fees paidRenewal fee
30.11.2015Renewal fee patent year 03
28.11.2016Renewal fee patent year 04
27.11.2017Renewal fee patent year 05
27.11.2018Renewal fee patent year 06
27.11.2019Renewal fee patent year 07
27.11.2020Renewal fee patent year 08
29.11.2021Renewal fee patent year 09
28.11.2022Renewal fee patent year 10
27.11.2023Renewal fee patent year 11
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  TooltipNL03.01.2024
[2024/31]
Documents cited:Search[XAI]JPH04194029  ;
 [A]US2429102  (LEWIS HARRY F, et al) [A] 1-15 * claims 1-3 * * table 1 *;
 [A]US2008317661  (ECKERT ROBERT C [US], et al) [A] 1-15 * the whole document *;
 [XAI]KR20110116604  (UNIV NAT CHONNAM IND FOUND [KR]) [X] 1-3,5,6,8,9,13 * claims 1-12 * [A] 4,7,10-12,16 [I] 14,15;
 [XAI]  - DATABASE WPI, 0, Derwent World Patents Index, (19920714), vol. 1992, no. 34, Database accession no. 1992-281835, XP002758014 & JPH04194029 A 19920714 (MOKUSITU SHINSOZAI GIJYUTU KENKYU) [X] 1,2 * abstract * * table 1 * * claims 1,2 * [A] 3-13,16 [I] 14,15
 [A]  - KUBO S ET AL, "Lignin-based Carbon Fibers: Effect of Synthetic Polymer Blending on Fiber Properties", JOURNAL OF POLYMERS AND THE ENVIRONMENT ; FORMERLY: 'JOURNAL OF ENVIRONMENTAL POLYMER DEGRADATION', KLUWER ACADEMIC PUBLISHERS-PLENUM PUBLISHERS, NE, (20050401), vol. 13, no. 2, ISSN 1572-8900, pages 97 - 105, XP019283632 [A] 1-15 * the whole document *
 [A]  - BRODIN I ET AL, "The behavior of kraft lignin during thermal treatment", JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, ELSEVIER BV, NL, vol. 87, no. 1, ISSN 0165-2370, (20100101), pages 70 - 77, (20091021), XP026807627 [A] 1-15 * table 6 *
International search[A]US2429102  (LEWIS HARRY F, et al) [A] 1-20* ; entire document *;
 [Y]US3223698  (MOTOYOSHI OSHIMA, et al) [Y] 9 * ; column 2, lines 62-67 *;
 [Y]US4715897  (TALLON JAMES A [US], et al) [Y] 1-20 * ; column 2, lines 27-31; column 2, lines 52-68; Table A *;
 [Y]US5543211  (GALLAGHER KEVIN P [US], et al) [Y] 1-20 * ; column 3, lines 4-7; column 3, line 66 to column 4, line 5 *;
 [Y]US6172204  (SARKANEN SIMO [US], et al) [Y] 15 * ; column 2, lines 28-30; column 3, lines 19-26 *;
 [A]US2008317661  (ECKERT ROBERT C [US], et al) [A] 1-20 * ; entire document *;
 [Y]US2010152428  (GIFFORD ANGELA P [US], et al) [Y] 1-20 * ; figures 1 and 2; paragraphs [0005], [0011], [0012], [0027], [0034], [0035], [0046] *;
 [A]WO2011097721  (LIGNOL INNOVATIONS LTD [CA], et al) [A] 1-20 * ; entire document *;
 [A]CA2812685  (TOHO TENAX EUROPE GMBH [DE]) [A] 1-20 * ; entire document *;
 [A]WO2012138802  (HCL CLEANTECH LTD [IL], et al) [A] 1-20 * ; entire document *
ExaminationJPH0713327B
 KR20110116604
    - ICHIKAWA H ET AL, "Prepn. of carbon-fibre of lignin - comprises heating phenol and lignin to form phenolate lignin, adding to pitch, melt-spinning, infusibilising and calcining", WPI / THOMSON,, (19920714), vol. 1992, no. 34, XP002758014
by applicantKR20110116604
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.