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Extract from the Register of European Patents

EP About this file: EP2883973

EP2883973 - Manufacturing process for obtaining high strength extruded products made from 6xxx aluminium alloys [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  10.02.2023
Database last updated on 23.04.2024
FormerThe patent has been granted
Status updated on  03.05.2019
FormerGrant of patent is intended
Status updated on  07.01.2019
FormerExamination is in progress
Status updated on  15.11.2016
Most recent event   Tooltip10.02.2023Opposition rejectedpublished on 15.03.2023  [2023/11]
Applicant(s)For all designated states
Constellium Valais SA (AG, Ltd)
3960 Sierre / CH
[2015/25]
Inventor(s)01 / Jarrett, Martin
Finch House
Spring Lane
Little Bourton, Oxfordshire OX17 1RB / GB
02 / Skubich, Alexis
Badenerstraße 266
8004 Zürich / CH
 [2015/25]
Representative(s)Constellium - Propriété Industrielle
C-TEC Constellium Technology Center
Propriété Industrielle
Parc Economique Centr'Alp
725, rue Aristide Bergès, CS10027
38341 Voreppe / FR
[2019/23]
Former [2015/25]Constellium - Propriété Industrielle
C-TEC Constellium Technology Center
Propriété Industrielle
Parc Economique Centr'Alp
725, rue Aristide Bergès, CS10027
38341 Voreppe / FR
Application number, filing date13005757.311.12.2013
[2015/25]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2883973
Date:17.06.2015
Language:EN
[2015/25]
Type: B1 Patent specification 
No.:EP2883973
Date:05.06.2019
Language:EN
[2019/23]
Search report(s)(Supplementary) European search report - dispatched on:EP27.03.2014
ClassificationIPC:C22C21/02, C22F1/04
[2015/25]
CPC:
C22C21/02 (EP,US); B21C23/002 (US); B22D21/007 (EP,US);
C22C21/08 (EP,US); C22F1/04 (EP,US); C22F1/043 (EP,US);
C22F1/047 (EP,US); C22F1/05 (EP,US) (-)
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 [2016/04]
Former [2015/25]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 
TitleGerman:Herstellungsverfahren zum Erhalten hochfester extrudierter Produkte aus 6xxx-Aluminiumlegierungen[2015/25]
English:Manufacturing process for obtaining high strength extruded products made from 6xxx aluminium alloys[2015/25]
French:Procédé de fabrication pour obtenir des produits extrudés à résistance élevée fabriqués à partir d'alliages d'aluminium 6xxx[2015/25]
Examination procedure17.12.2015Amendment by applicant (claims and/or description)
17.12.2015Examination requested  [2016/04]
19.01.2016Observations by third parties
12.05.2016Despatch of a communication from the examining division (Time limit: M06)
27.06.2016Observations by third parties
10.11.2016Reply to a communication from the examining division
18.04.2018Despatch of a communication from the examining division (Time limit: M04)
26.07.2018Reply to a communication from the examining division
08.01.2019Communication of intention to grant the patent
18.04.2019Fee for grant paid
18.04.2019Fee for publishing/printing paid
18.04.2019Receipt 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  12.05.2016
Opposition(s)Opponent(s)01  03.03.2020  11.03.2020  ADMISSIBLE
Hydro Extruded Solutions AS
0240 Oslo / NO
Opponent's representative
Melin Granberg, Linda
Megra IPR AB
Oxundavägen 130
194 44 Upplands Väsby / SE
 [2021/42]
Former [2020/15]
Opponent(s)01  03.03.2020    ADMISSIBLE
Hydro Extruded Solutions AS
0240 Oslo / NO
Opponent's representative
Hydro IPD
Norsk Hydro ASA
Intellectual Property
P.O. Box 980 Skøyen
0240 Oslo / NO
17.03.2020Invitation to proprietor to file observations on the notice of opposition
23.07.2020Reply of patent proprietor to notice(s) of opposition
25.06.2021Date of oral proceedings
19.07.2021Despatch of minutes of oral proceedings
19.07.2021Date of despatch of rejection of opposition
08.02.2023Legal effect of rejection of opposition [2023/11]
Appeal following opposition15.09.2021Appeal received No.  T1578/21
15.09.2021Payment of appeal fee
12.11.2021Statement of grounds filed
08.02.2023Result of appeal procedure: appeal of the opponent withdrawn
Fees paidRenewal fee
28.12.2015Renewal fee patent year 03
27.12.2016Renewal fee patent year 04
27.12.2017Renewal fee patent year 05
31.12.2018Renewal 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  TooltipHU11.12.2013
AL05.06.2019
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Documents cited:Search[XA]US3990922  (GULLOTTI DAMIAN V, et al) [X] 1-9 * column 2; example 1; claims 1-7, 11; table 2 * [A] 10-13;
 [A]US2003226935  (GARRATT MATTHEW D [US], et al) [A] 1-13* paragraphs [0063] , [ 0066] - [0068] *;
 [XA]US2004084119  (SANO HIDEO [JP], et al) [X] 10-13 * paragraph [0033]; figures 1,2,5; tables 1,2,5,6 * [A] 1-9;
 [A]  - PARSON N C ET AL, "The effect of heat treatment on the microstructure and properties of 6000 series alloy extrusion ingots", LIGHT METALS, TMS, MINERALS, METALS AND MATERIALS SOCIETY / ALUMINIUM COMMITTEE, US, (19890101), ISSN 0147-0809, pages 713 - 724, XP009128616 [A] 1-13 * figure 1; table 1 *
 [A]  - COUPER M J ET AL, "Effect of homogenization temperature and time on billet microstructure and extruded properties of alloy 6061", ALUMINIUM CAST HOUSE TECHNOLOGY : SEVENTH AUSTRALIAN ASIAN PACIFIC CONFERENCE ; THIS INTERNATIONAL CONFERENCE WAS STAGED BY THE G. K. WILLIAMS COOPERATIVE RESEARCH CENTRE FOR EXTRACTIVE METALLURGY AND WAS HELD DURING 23 - 26 SEPTEMBER 2001 AT THE WRE, (20010101), ISBN 978-0-87339-512-0, pages 287 - 296, XP009128629 [A] 1-13 * the whole document *
ExaminationEP0302623
OppositionUS3990922
 EP0302623
 WO0030780
 EP1155156
 US2004084119
 WO2013162374
    - BRUNO MANCINI et al., "Influence of Log and Billet Temperature Gradients on the Productivity of Extrusion Plants- Theoretical Considerations and Practical Results", Proceedings of the 8th International Extrusion Technology Seminar, Orlando, Florida, (20040518), vol. I, pages 411 - 419
    - ODDVIN REISO, "The Effect of Billet Preheating Practice on extrudability of Al-Mg-Si alloys", Proceedings of the 4th International Aluminium Extrusion Technology Seminar, (19880000), pages 287 - 295, XP055639629
    - BIN-LUNG et al., "Impact of pre-aging on the tensile and bending properties of AA 6061", Scandinavian Journal of Metallurgy, (20050000), vol. 34, doi:10.1111/j.1600-0692.2005.00723.x, pages 318 - 325, XP055639598

DOI:   http://dx.doi.org/10.1111/j.1600-0692.2005.00723.x
    - O. REISO, "Extrusion of AIMgSi Alloys", Proceedings of the 9th International Conference on Aluminium Alloys, (20040100), pages 32 - 46, XP055639600
    - Couper, M. J.; Cooksey, M.; Rinderer, B., "Effect of homogenization temperature and time on billet microstructure and extruded properties of alloy 6061", Aluminium cast house technology : seventh Australian Asian Pacific conference ; this international conference was staged by the G. K. Williams Cooperative Research Centre for Extractive Metallurgy and was held during 23 - 26 September 2001 at the Wrest Point Hotel, Hobart, Australia, Minerals, Metals & Materials Society, 2001, US, US, (20010101), ISBN 978-0-87339-512-0, pages 287 - 296, XP009128629
    - ODDVIN REISO et al., "The Effect of Cooling Rate After Homogenization and Billet Preheating Practice on Extrudability and Section Properties - Part 1: Extrudability and Mechanical Properties", Proceedings of the 6th Aluminum Extrusion Technology Seminar, (19960000), vol. I, pages 1 - 10, XP055639643
    - W. STREHMEL et al., "Taper quenching - a waste of energy?", ALUMINIUM, (20060000), vol. 82, pages 926 - 933, XP055639612
    - JOSTEIN ROYSET et al., "Almech - A Computer Program for Alloy Selection and Extrusion Process Improvement", Proc. 8th International Aluminium Extrusion Technology Seminar, Orlando, FL, USA, (20040518), vol. II, pages 81 - 91, XP055639618
    - Jostein Røyset, Et Al, "Al-Mg-Si Alloys with Improved Crush Properties", The Ninth International Aluminum Extrusion Technology Seminar - ET'08, Orlando, Florida, Orlando, Florida, (20080513), XP055639635
    - Alloy 6082 datasheet 12/2002/Alcan
    - JOSTEIN ROYSET et al., "Effect of Alloy Chemistry and Process Parameters on the Extrudability and Recrystallization Resistance of 6082 Aluminum Alloy", Hydro Aluminium R&D and Technology , Sunndalsøra, Norway , ET'08, Orlando, Florida, USA, (20080513), vol. 2, XP055702170
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.