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Al-Mg-Si Aluminium Alloy With Improved Properties

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EP3339457

NORSK HYDRO ASA
Application Number
EP18151559A
Filing Date
Apr 25, 2013
Status
Revoked
Jul 31, 2024
Grant Date
Mar 11, 2020
External Links
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The patent EP3339457B1 was granted to Norsk Hydro ASA on Mar 11, 2020 following the initial filing on Apr 25, 2013 under the application number EP18151559A . The current legal status of the patent is Revoked.

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Patent Oppositions filed by Competitors

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.

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KNAUF INSULATIONDec 11, 2020ADMISSIBLE
C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM SINGENDec 9, 2020ADMISSIBLE
HAMMERER ALUMINIUM INDUSTRIES EXTRUSIONOct 20, 2020ADMISSIBLE

Dossier Documents of the Patent

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