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Composition Based On Zirconium Oxide And Oxides Of Cerium, Lanthanum And Of Another Rare Earth, A Method For Preparing Same And Use Thereof As Catalyst

Patent No. EP3009403 (titled "Composition Based On Zirconium Oxide And Oxides Of Cerium, Lanthanum And Of Another Rare Earth, A Method For Preparing Same And Use Thereof As Catalyst") was filed by Rhodia Operations on Jun 26, 2003. The application was issued on Apr 21, 2021.

Patent Summary

A high-temperature stable catalyst composition comprising a solid solution of zirconium oxide and rare earth oxides, particularly cerium, lanthanum, and another rare earth, prepared by mixing a zirconium sol with a mixture of cerium, lanthanum, and rare earth compounds, precipitating the mixture with a basic compound, calcining the precipitate, and applying the resulting composition to a thermally inert support.

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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
HASEGAWAJan 21, 2022WINTER
NEO CHEMICALS & OXIDES EUROPEJun 2, 2021BIRD & BIRD

Dossier Documents

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EP3009403

RHODIA OPERATIONS
Application Number
EP15191869A
Filing Date
Jun 26, 2003
Status
Granted And Under Opposition
Mar 19, 2021
Publication Date
Apr 21, 2021
External Links
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