Method For Manufacturing A Part From Aluminium Alloy, The Alloy Comprising At Least Zirconium And Magnesium - EP3914748

The patent EP3914748 was granted to C TEC Constellium Technology Center on May 8, 2024. The application was originally filed on Jan 24, 2020 under application number EP20707710A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3914748

C TEC CONSTELLIUM TECHNOLOGY CENTER
Application Number
EP20707710A
Filing Date
Jan 24, 2020
Status
Granted And Under Opposition
Apr 5, 2024
Publication Date
May 8, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

EOS ELECTRO OPTICAL SYSTEMSFeb 7, 2025MEISSNER BOLTE PARTNERSCHAFT MBBADMISSIBLE

Patent Citations (11) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
OPPOSITIONEP2799165
OPPOSITIONEP3903964
OPPOSITIONJP2693175B
OPPOSITIONJPH01290740
OPPOSITIONJPS597493
OPPOSITIONSU439535
OPPOSITIONUS2017182595
OPPOSITIONUS2018010215
OPPOSITIONWO2017041006
OPPOSITIONWO2018009359
OPPOSITIONWO2018189458

Non-Patent Literature (NPL) Citations (18) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
INTERNATIONAL-SEARCH-REPORT- SAHEB N ET AL, "Synthesis and spark plasma sintering of Al-Mg-Zr alloys", JOURNAL OF CENTRAL SOUTH UNIVERSITY ; SCIENCE & TECHNOLOGY OF MINING AND METALLURGY, CENTRAL SOUTH UNIVERSITY, HEIDELBERG, (20130110), vol. 20, no. 1, doi:10.1007/S11771-013-1452-8, ISSN 2227-5223, pages 7 - 14, XP035163126 [A] 1-12 * abstract *
INTERNATIONAL-SEARCH-REPORT- TSAKIROPOULOS P ET AL, "Development of Al-Cr-X and Al-Cr-Zr-X alloys by rapid solidification from the melt", MATERIALS SCIENCE ENGINEERING, ELSEVIER SEQUOIA, LAUSANNE, CH, vol. 98, doi:10.1016/0025-5416(88)90143-7, ISSN 0025-5416, (19880201), pages 143 - 147, (19880201), XP025878519 [A] 1-12 * abstract *
INTERNATIONAL-SEARCH-REPORT- NIU X P ET AL, "Hydride formation in mechanically alloyed Al-Zr and Al-Fe-Zr", SCRIPTA METALLURGICA ET MATERIALIA, PERGAMON PRESS, GB, vol. 30, no. 1, doi:10.1016/0956-716X(94)90350-6, ISSN 0956-716X, (19940101), pages 13 - 18, (19940101), XP024180610 [A] 1-12 * table 1 *
INTERNATIONAL-SEARCH-REPORT- GRIFFITHS S ET AL, "Effect of laser rescanning on the grain microstructure of a selective laser melted Al-Mg-Zr alloy", MATERIALS CHARACTERIZATION, ELSEVIER, NEW YORK, NY, US, (20180326), vol. 143, doi:10.1016/J.MATCHAR.2018.03.033, ISSN 1044-5803, pages 34 - 42, XP085490258 [A] 1-12 * abstract *
INTERNATIONAL-SEARCH-REPORT- Z.Y MA ET AL, "High strain rate superplasticity in friction stir processed Al-Mg-Zr alloy", MATERIALS SCIENCE AND ENGINEERING: A, AMSTERDAM, NL, (20030625), vol. 351, no. 1, doi:10.1016/S0921-5093(02)00824-9, ISSN 0921-5093, pages 148 - 153, XP055451612 [A] 1-12 * abstract *
OPPOSITION- D20 - Purchase order and quote for Al -4Mg-1.5Zr (wt%) Addalloyâ„¢ powder
OPPOSITION- D21 - Technical Material Specification - Addalloy - v1
OPPOSITION- D22 - Test certificate
OPPOSITION- D23 - Purchase order, quote and correspondence concerning Addalloy AD1
OPPOSITION- D24 - Sworn statement in writing of Dr. Ankit Saharan
OPPOSITION- Z.Y. Ma, "Friction Stir Processing Technology: A Review", Metallurgical and Materials Transactions A, Springer-Verlag, New York, New York , (20080201), vol. 39, no. 3, ISSN 1543-1940, pages 642 - 658, XP019696131
OPPOSITION- Nie Xiaojia, Zhang Hu, Zhu Haihong, Hu Zhiheng, Ke Linda, Zeng Xiaoyan, "Effect of Zr content on formability, microstructure and mechanical properties of selective laser melted Zr modified Al-4.24Cu-1.97Mg-0.56Mn alloys", Journal of alloys and compounds, ELSEVIER SEQUOIA, LAUSANNE., CH, CH , (20181001), vol. 764, doi:10.1016/j.jallcom.2018.06.032, ISSN 0925-8388, pages 977 - 986, XP093260925
OPPOSITION- Griffiths S.; Rossell M.D.; Croteau J.; Vo N.Q.; Dunand D.C.; Leinenbach C., "Effect of laser rescanning on the grain microstructure of a selective laser melted Al-Mg-Zr alloy", MATERIALS CHARACTERIZATION., ELSEVIER, NEW YORK, NY., US, US , (20180326), vol. 143, doi:10.1016/j.matchar.2018.03.033, ISSN 1044-5803, pages 34 - 42, XP085490258
OPPOSITION- Kimura Takahiro; Nakamoto Takayuki, "Microstructures and mechanical properties of A356 (AlSi7Mg0.3) aluminum alloy fabricated by selective laser melting", Materials & Design, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL , (20151019), vol. 89, doi:10.1016/j.matdes.2015.10.065, ISSN 0264-1275, pages 1294 - 1301, XP029303824
OPPOSITION- Zhang Hu; Zhu Haihong; Qi Ting; Hu Zhiheng; Zeng Xiaoyan, "Selective laser melting of high strength Al-Cu-Mg alloys: Processing, microstructure and mechanical properties", Materials Science, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL, (20160101), vol. 656, doi:10.1016/j.msea.2015.12.101, ISSN 0921-5093, pages 47 - 54, XP029403465
OPPOSITION- Zhang Hu; Zhu Haihong; Nie Xiaojia; Yin Jie; Hu Zhiheng; Zeng Xiaoyan, "Effect of Zirconium addition on crack, microstructure and mechanical behavior of selective laser melted Al-Cu-Mg alloy", Scripta Materialia, ELSEVIER, AMSTERDAM., NL, NL , (20170315), vol. 134, doi:10.1016/j.scriptamat.2017.02.036, ISSN 1359-6462, pages 6 - 10, XP029968757
OPPOSITION- R. Grimes, Et Al., "Development of a high strain rate superplastic Al-Mg-Zr alloy", MATERIALS SCIENCE AND TECHNOLOGY, Taylor & Francis, GB, GB , (20001101), vol. 16, no. 11-12, doi:10.1179/026708300101507190, ISSN 0267-0836, pages 1334 - 1339, XP055451604
OPPOSITION- Aversa Alberta, Marchese Giulio, Saboori Abdollah, Bassini Emilio, Manfredi Diego, Biamino Sara, Ugues Daniele, Fino Paolo, Lombardi Mariangela, "New Aluminum Alloys Specifically Designed for Laser Powder Bed Fusion: A Review", mater, vol. 12, no. 7, doi:10.3390/ma12071007, ISSN 1996-1944, pages 1007 - 15, XP093260931

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents