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Multilayer Tubular Structure Having Improved Resistance To Extraction In The Bio-Essence And Use Thereof - EP3517295

The patent EP3517295 was granted to Arkema France on Jan 22, 2025. The application was originally filed on Jan 12, 2017 under application number EP19158604A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3517295

ARKEMA FRANCE
Application Number
EP19158604A
Filing Date
Jan 12, 2017
Status
Granted And Under Opposition
Dec 20, 2024
Publication Date
Jan 22, 2025
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.

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EVONIK OPERATIONSOct 22, 2025F & E PATENTADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication Number
OTHEREP4155068
SEARCHDE102008044224
SEARCHEP1393889
SEARCHEP1496298
SEARCHEP2094481
SEARCHEP2098580
SEARCHFR2925865
SEARCHUS2013126031
SEARCHUS5554426

Dossier Documents

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