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<Sup2/>? <Sub2/>?2?Production Of Hydrogen-Rich Fuel-Gas With Reduced Coemission

Patent No. EP4284754 (titled "<Sup2/>? <Sub2/>?2?Production Of Hydrogen-Rich Fuel-Gas With Reduced Coemission") was filed by Exxonmobil Chemical Patents on Aug 22, 2022. The application was issued on Jan 29, 2025.

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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
THE DOW CHEMICALOct 28, 2025BECK GREENER
STRAWMANOct 24, 2025HOFFMANN EITLE

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

EP4284754

EXXONMOBIL CHEMICAL PATENTS
Application Number
EP22769056A
Filing Date
Aug 22, 2022
Status
Granted And Under Opposition
Dec 26, 2024
Publication Date
Jan 29, 2025
External Links
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