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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 - EP2152411

The patent EP2152411 was granted to Shell Internationale Research Maatschappij on Dec 4, 2019. The application was filed on May 7, 2008 under application number EP08747765A. The patent is currently recorded with a legal status of "Revoked".

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

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 DateRepresentativeOpposition Status
BASFSep 3, 2020REITSTOTTER KINZEBACHADMISSIBLE
SCIENTIFIC DESIGNSep 3, 2020HGFADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2005222442
INTERNATIONAL-SEARCH-REPORTUS4766105
OPPOSITIONEP1641559
OPPOSITIONEP2513077
OPPOSITIONUS2004110971
OPPOSITIONUS2007185339
OPPOSITIONUS4766105
OPPOSITIONUS5380697
OPPOSITIONUS5739075
OPPOSITIONWO03072246
OPPOSITIONWO2004089539
OPPOSITIONWO2006133183
OPPOSITIONWO2007021742
OPPOSITIONWO2012078615

Dossier Documents

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  • Date

    Description

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