IP Verse

An Epoxidation Catalyst, A Process For Preparing The Catalyst, And A Process For The Production Of An Olefin Oxide, A 1,2-Diol, A 1,2-Diol Ether, A 1,2-Carbonate, Or An Alkanolamine

Patent No. EP2152411 (titled "An Epoxidation Catalyst, A Process For Preparing The Catalyst, And A Process For The Production Of An Olefin Oxide, A 1,2-Diol, A 1,2-Diol Ether, A 1,2-Carbonate, Or An Alkanolamine") was filed by Shell Internationale Research Maatschappij on May 7, 2008. The application was issued on Dec 4, 2019.

Patent Summary

Patent Family

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
BASFSep 3, 2020REITSTOTTER KINZEBACH
SCIENTIFIC DESIGNSep 3, 2020HGF

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

EP2152411

SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ
Application Number
EP08747765A
Filing Date
May 7, 2008
Status
Revoked
Jun 3, 2022
Publication Date
Dec 4, 2019
External Links
Slate, Register , Google Patents