IP Verse

Hydrogenation Catalyst

Patent No. EP2547443 (titled "Hydrogenation Catalyst") was filed by Shell Internationale Research Maatschappij on Mar 17, 2011. The application was issued on Oct 30, 2024.

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 DateRepresentative
JOHNSON MATTHEY PUBLICJan 4, 2023LORKIN

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

EP2547443

SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ
Application Number
EP11708482A
Filing Date
Mar 17, 2011
Status
Patent Maintained As Amended
Sep 27, 2024
Publication Date
Oct 30, 2024
External Links
Slate, Register , Google Patents