IP Verse

Aluminium Alloy Comprising Lithium With Improved Fatigue Properties - EP3635146

The patent EP3635146 was granted to Constellium Issoire on Nov 16, 2022. The application was originally filed on Jun 5, 2018 under application number EP18748959A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3635146

CONSTELLIUM ISSOIRE
Application Number
EP18748959A
Filing Date
Jun 5, 2018
Status
Granted And Under Opposition
Oct 14, 2022
Publication Date
Nov 16, 2022
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

ARCONICAug 16, 2023LENZING GERBER STUTEADMISSIBLE

Patent Citations (8) New

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

Citation PhasePublication Number
DESCRIPTIONUS2009142222
DESCRIPTIONWO2012110717
DESCRIPTIONWO2015086921
INTERNATIONAL-SEARCH-REPORTEP2231888
INTERNATIONAL-SEARCH-REPORTUS2009142222
INTERNATIONAL-SEARCH-REPORTWO2012110717
INTERNATIONAL-SEARCH-REPORTWO2015086921
INTERNATIONAL-SEARCH-REPORTWO2016051099

Non-Patent Literature (NPL) Citations (14) 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
DESCRIPTION- DUPRAT, D., Dimensionnement en fatigue des structures : démarche et outils, Société Française de Métallurgie et de Matériaux, (19990602), pages 2.1 - 2.8
DESCRIPTION- "Quantification of Spatial Distribution of as-cast Microstructural Features", PH. JARRY; M. BOEHM; S. ANTOINE, Proceedings of the Light Metals 2001 Conference, TMS, pages 903 - 909
INTERNATIONAL-SEARCH-REPORT- "Alloy 2099-T83 and 2099-T8E67 EXTRUSIONS", ARCONIC PRODUCT CATALOG, Lafayette, Indiana, USA, (200508), pages 1 - 2, URL: https://www.arconic.com/hard_alloy_extrusions/catalog/pdf/Alloy2099TechSheet.pdf, XP002779461 [A] 1-17 * table Chem.Composition *
INTERNATIONAL-SEARCH-REPORT- "Aluminum alloy 2055-T84 Extrusions", ARCONIC PRODUCT CATALOG, Lafayette, Indiana, USA, (2016), pages 1 - 2, URL: https://www.arconic.com/adip/catalog/AFE2055-factsheet.pdf, XP002779460 [X] 1-17 * table Chem.Composition *
INTERNATIONAL-SEARCH-REPORT- THE ALUMINUM ASSOCIATION, INC, "International alloy designations and chemical composition limits for wrought aluminium and wrought aluminium alloys", REGISTRATION RECORD SERIES, WASHINGTON DC, USA, (201402), URL: http://www.aluminum.org/sites/default/files/Teal_Sheets.pdf, XP055136121 [X] 1-17 * Alloys 2050 et 2098; page 11 *
INTERNATIONAL-SEARCH-REPORT- ROBERTO J RIOJA ET AL, "The Evolution of Al-Li Base Products for Aerospace and Space Applications", METALLURGICAL AND MATERIALS TRANSACTIONS A, SPRINGER-VERLAG, NEW YORK, (20120331), vol. 43, no. 9, doi:10.1007/S11661-012-1155-Z, ISSN 1543-1940, pages 3325 - 3337, XP035087941 [A] 1-17 * page 3326, paragraph III. - page 3328 * * paragraphs [III.C&D.3rd.Gen.Al] - [Li.alloys] *
INTERNATIONAL-SEARCH-REPORT- STARKE E A ET AL, "Application of modern aluminum alloys to aircraft", PROGRESS IN AEROSPACE SCIENCES, GB, (1996), vol. 32, no. 2, doi:10.1016/0376-0421(95)00004-6, ISSN 0376-0421, pages 131 - 172, XP029212053 [A] 1-17 * tables 5,9,10 * * pages 143-161, paragraph 5.Structure.Property.Relationships; table 12 * * pages 167-168, paragraphs 7.3...Aluminium-Lithium.Alloys *
INTERNATIONAL-SEARCH-REPORT- BLANKENSHIP C P ET AL, "Structure-property relationships in Al-Li-Cu-Mg-Ag-Zr alloy X2095", ACTA METALLURGICA & MATERIALIEN, PERGAMON / ELSEVIER SCIENCE LTD, GB, vol. 42, no. 3, doi:10.1016/0956-7151(94)90279-8, ISSN 0956-7151, (199403), pages 845 - 855, (19940301), XP023893823 [A] 1-17 * paragraph [Introduction] * * paragraph [Results.ad.Discussions] *
INTERNATIONAL-SEARCH-REPORT- BLANKENSHIP C P ET AL, "Improved toughness in Al-Li-Cu-Mg-Ag-Zr alloy X2095", SCRIPTA METALLURGICA ET MATERIALIA, PERGAMON PRESS, GB, vol. 26, no. 11, doi:10.1016/0956-716X(92)90540-U, ISSN 0956-716X, (1992), pages 1719 - 1722, (19920601), XP023853443 [A] 1-17 * paragraph [1.Introduction] * * page 846, column l, lines 6-10 *
INTERNATIONAL-SEARCH-REPORT- TIMOTHY WARNER, "Recently-Developed Aluminium Solutions for Aerospace Applications", MATERIALS SCIENCE FORUM, (20060715), vol. 519-521, doi:10.4028/www.scientific.net/MSF.519-521.1271, pages 1271 - 1278, XP055135031 [A] 1-17 * Al-Cu-Li alloys; paragraph [02.3] * * paragraph [1.Introduction] *
OPPOSITION- Anonymous, "International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys", Teal Sheets, Aluminum Association, (20150101), pages 1 - 38, XP055460438
OPPOSITION- Calogero, V, G. Costanza, S. Missori, A. Sili, M. E. Tata, "A Weldability Study of Al-Cu-LI 2198 Alloy", Metallurgist, (20140301), vol. 57, no. 11-12, pages 1134 - 1141, XP093109585
OPPOSITION- Kashaev N., Riekehr S., Falck R., Enz J., Tian Y., Robson J. D., Karanika A., "Development of laser beam welding concepts for fuselage panels", Challenges in European Aerospace, (20150101), pages 1 - 14, XP093109589
OPPOSITION- Ph. Lequeu, K. P. Smith, A. Daniélou, "Aluminum-Copper-Lithium Alloy 2050 Developed for Medium to Thick Plate", Journal of Materials Engineering and Performance, ASM International, (20100801), vol. 19, no. 6, doi:10.1007/s11665-009-9554-z, ISSN 10599495, pages 841 - 847, XP055190230

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