Low Cost, Substantially Zr-Free Aluminum-Lithium Alloy For Thin Sheet Product With High Formability - EP3495520

The patent EP3495520 was granted to Kaiser Aluminum Fabricated Products on Jun 7, 2023. The application was originally filed on Dec 4, 2018 under application number EP18210045A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3495520

KAISER ALUMINUM FABRICATED PRODUCTS
Application Number
EP18210045A
Filing Date
Dec 4, 2018
Status
Granted And Under Opposition
May 5, 2023
Grant Date
Jun 7, 2023
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

C TEC CONSTELLIUM TECHNOLOGY CENTERCONSTELLIUM ISSOIREMar 6, 2024CONSTELLIUM PROPRIETE INDUSTRIELLEADMISSIBLE

Patent Citations (6) New

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

Citation PhasePublication NumberPublication Link
OPPOSITIONCN101967588
OPPOSITIONCN102021457
OPPOSITIONEP3012338
OPPOSITIONWO2007080267
SEARCHGB2257435
SEARCHUS2016115576

Non-Patent Literature (NPL) Citations (4) New

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

Citation PhaseReference TextLink
OPPOSITION- Aluminum Association, "Aluminum and Aluminum Alloy Density Calculation Procedure", Standards and Data 2017 Metric SI, Aluminum Association Technical Committee on Product Standards, (20171201), pages 2 - 2-13, ISBN 978-0-9863631-2-2, XP093171194-
OPPOSITION- Astm, "Standard Test Methods for Bend Testing of Material for Ductility", ASTM E 290-09, (20090101), ASTM E 290-09, URL: https://www.astm.org/e0290-09.html, XP093171191-
OPPOSITION- Zeng X H, Ahmad M; Engler O, "Texture gradient, average texture, and plastic anisotropy in various Al-Li sheet alloys", Materials Science and Technology, (19840701), vol. 10, pages 581 - 591, XP093171192-
SEARCH- DESCHAMPS A ET AL, "Influence of Mg and Li content on the microstructure evolution of AlCuLi alloys during long-term ageing", ACTA MATERIALIA, ELSEVIER, OXFORD, GB, (20160929), vol. 122, doi:10.1016/J.ACTAMAT.2016.09.036, ISSN 1359-6454, pages 32 - 46, XP029808794 [A] 1-15 * Item 2.: Materials and Experimental Results *

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