Annulated Tubular Structure Intended For Transporting Fuel Into The Tank

Patent No. EP3755749 (titled "Annulated Tubular Structure Intended For Transporting Fuel Into The Tank") was filed by Arkema France on Feb 19, 2019. The application was issued on Sep 10, 2025.

Patent Summary

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Patent Family

Patent Oppositions (2)

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 DateRepresentative
EMS CHEMIEJun 9, 2026PFENNING
EVONIK OPERATIONSJun 9, 2026F & E PATENT

Dossier Documents

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EP3755749

ARKEMA FRANCE
Application Number
EP19710062A
Filing Date
Feb 19, 2019
Status
Granted And Under Opposition
Aug 8, 2025
Publication Date
Sep 10, 2025