Composition Comprising Cerium Oxide And Zirconium Oxide Having A Specific Porosity, Preparation Method Thereof And Use Of Same In Catalysis - EP2454196

The patent EP2454196 was granted to Rhodia Operations on Mar 21, 2018. The application was originally filed on Jul 2, 2010 under application number EP10726996A. The patent is currently recorded with a legal status of "Revoked".

EP2454196

RHODIA OPERATIONS
Application Number
EP10726996A
Filing Date
Jul 2, 2010
Status
Revoked
Jul 24, 2024
Grant Date
Mar 21, 2018
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

Get instant alerts for new oppositions and patent status changes

NEO CHEMICALS & OXIDES EUROPEDec 21, 2018BIRD & BIRDADMISSIBLE

Patent Citations (20) New

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

Citation PhasePublication Number
EXAMINATIONEP1444036
INTERNATIONAL-SEARCH-REPORTEP1621251
INTERNATIONAL-SEARCH-REPORTEP1920830
OPPOSITIONEP1621251
OPPOSITIONEP1803686
OPPOSITIONEP1894620
OPPOSITIONUS2006178261
OPPOSITIONUS2006210462
OPPOSITIONUS2006263284
OPPOSITIONUS2007264486
OPPOSITIONUS2008187476
OPPOSITIONUS2012189517
OPPOSITIONUS5908800
OPPOSITIONUS6133194
OPPOSITIONUS6214306
OPPOSITIONWO03037506
OPPOSITIONWO2011006780
OTHEREP1444036
OTHERUS2003180197
OTHERWO2004085039

Non-Patent Literature (NPL) Citations (11) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
DESCRIPTION- BRUNAUER; EMMETT; TELLER, THE JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, (1938), vol. 60, page 309
INTERNATIONAL-SEARCH-REPORT- LIN S S Y ET AL, "Co/CeO2-ZrO2 catalysts prepared by impregnation and coprecipitation for ethanol steam reforming", APPLIED CATALYSIS A: GENERAL, ELSEVIER SCIENCE, AMSTERDAM, NL, vol. 366, no. 2, ISSN 0926-860X, (20090925), pages 252 - 261, (20090714), XP026520641 [AP] 1-16 * figure 1 *
INTERNATIONAL-SEARCH-REPORT- DI MONTE R ET AL, "A rationale for the development of thermally stable nanostructured CeO2-ZrO2-containing mixed oxides", JOURNAL OF RARE EARTHS, INTERNATIONAL ACADEMIC PUBLISHERS, BEIJING, CN, vol. 26, no. 2, ISSN 1002-0721, (20080401), pages 136 - 140, (20080401), XP022934012 [A] 1-16 * the whole document *
INTERNATIONAL-SEARCH-REPORT- E. ROHART, O. LARCHER, S. DEUTSCH, C. HÉDOUIN, H. AÏMIN, F. FAJARDIE, M. ALLAIN, P. MACAUDIÈRE, "From Zr-Rich to Ce-Rich: Thermal Stability of OSC Materials on the Whole Range of Composition", TOPICS IN CATALYSIS, Springer, Netherlands, (200407), vol. 30/31, no. 1, doi:10.1023/B:TOCA.0000029784.75813.81, ISSN 1022-5528, pages 417 - 423, XP002574364 [A] 1-16 * the whole document *
INTERNATIONAL-SEARCH-REPORT- R. DI MONTE, J. KASPER, "Nanostructured CeO2-ZrO2 mixed oxides", JOURNAL OF MATERIALS CHEMISTRY, The Royal Society of Chemistry, Cambridge, GB, (20041201), vol. 15, no. 6, doi:10.1039/b414244f, pages 633 - 648, XP002574365 [A] 1-16 * 3. Textural properties of CeO2-ZrO2 mixed oxides (pages 643-644) * * figure 11 *
OPPOSITION- J. GREGG et al., "Adsorption, surface area and porosity (second edition)", Adsorption, surface area and porosity (second edition), (19820000), pages 1 - 10, XP055542175
OPPOSITION- "Standard test method for determining pore volume distributing of catalysts by mercury intrusion porosimetry", ASTM D 4284-83 standard, pages 910 - 916
OPPOSITION- "Standard test method for surface area of catalysts", ASTM D 3663-78 standard, (19800709), pages 964 - 968, XP055542169
OPPOSITION- V. PERRICHON et al., "Thermal stability of high surface area ceria under reducing atmosphere", Applied Catalysis A: General, (19950000), vol. 29, pages 69 - 82, XP055542136
OPPOSITION- SANCHEZ ESCRIBANO et al., "Characterization of cubic ceria-zirconia powders by x-ray diffraction and vibrational and electronic spectroscopy", Solid State Sciences, (20030000), vol. 5, pages 1369 - 1376, XP055542150
OPPOSITION- R. DI MONTE et al., "Nanostructured CeO2-ZrO2 mixed oxides", Journal of Material Chemistry, (20050000), vol. 15, pages 633 - 648, XP002574365

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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