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Composition Based On Oxides Of Zirconium, Cerium, Yttrium, Lanthanum And Of Another Rare Earth, Method For Preparing Same And Catalytic Use - EP1991354

The patent EP1991354 was granted to Rhodia Operations on Dec 25, 2019. The application was filed on Feb 13, 2007 under application number EP07704559A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP1991354

RHODIA OPERATIONS
Application Number
EP07704559A
Filing Date
Feb 13, 2007
Status
Granted And Under Opposition
Nov 22, 2019
Publication Date
Dec 25, 2019
External Links
Slate, Register, Google Patents

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 DateRepresentativeOpposition Status
NEO CHEMICALS & OXIDES EUROPESep 24, 2020BIRD & BIRDADMISSIBLE

Patent Citations (10) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP0842900
INTERNATIONAL-SEARCH-REPORTFR2793161
INTERNATIONAL-SEARCH-REPORTUS6387338
INTERNATIONAL-SEARCH-REPORTWO2004085039
INTERNATIONAL-SEARCH-REPORTWO9702213
OPPOSITIONUS6255242
OPPOSITIONWO2004085314
OPPOSITIONWO2004103907
OPPOSITIONWO2005100248
OPPOSITIONWO2007093593

Dossier Documents

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  • Date

    Description

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