IP Verse

Fused Spinel-Zirconia Grains And Refractory Product Obtained From Said Grains - EP3365304

The patent EP3365304 was granted to Saint Gobain on Aug 14, 2019. The application was originally filed on Oct 19, 2016 under application number EP16806214A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3365304

SAINT GOBAIN
Application Number
EP16806214A
Filing Date
Oct 19, 2016
Status
Granted And Under Opposition
Jul 12, 2019
Grant Date
Aug 14, 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

Get instant alerts for new oppositions and patent status changes

REFRACTORYMay 13, 2020BERKENBRINKWITHDRAWN

Patent Citations (9) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONCN101786889
DESCRIPTIONUS3993119
DESCRIPTIONWO2012045302
INTERNATIONAL-SEARCH-REPORTCN101786889
INTERNATIONAL-SEARCH-REPORTCN1546421
INTERNATIONAL-SEARCH-REPORTFR2787106
INTERNATIONAL-SEARCH-REPORTUS2011237420
OPPOSITIONEP2848598
OPPOSITIONGB1243606

Non-Patent Literature (NPL) Citations (9) New

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

Citation PhaseReference TextLink
INTERNATIONAL-SEARCH-REPORT- GUANGLIANG YUAN ET AL, "Effects of in-situ formation of magnesium aluminate spinel on performance of modified sizing nozzle", ADVANCED MATERIALS RESEARCH, TRANS TECH PUBLICATIONS LTD, CH, (20140101), vol. 750-752, ISSN 1022-6680, pages 1130 - 1136, XP009188128 [X] 1-12 * the whole document *-
INTERNATIONAL-SEARCH-REPORT- Joanna Mckittrick ET AL, "Non-stoichiometry and defect structures in rapidly solidified MgO-Al 2 O 3 -ZrO 2 ternary eutectics", Materials Science and Engineering A231, (19970101), pages 90 - 97, URL: http://ac.els-cdn.com/S0921509397000646/1-s2.0-S0921509397000646-main.pdf?_tid=d3e31fb4-c0ea-11e5-85d6-00000aacb360&acdnat=1453455231_f32612d199a2e4781bec744e83244532, XP055243906 [X] 1-12 * the whole document *-
INTERNATIONAL-SEARCH-REPORT- MA Y L ET AL, "Yttria-magnesia partially stabilised zirconia reinforced with MgAl2O4 spinel particles", MATERIALS SCIENCE AND TECHNOLOGY, MANEY PUBLISHING, GB, (19980201), vol. 14, no. 2, ISSN 0267-0836, pages 139 - 142, XP009188138 [X] 1-12 * the whole document *-
INTERNATIONAL-SEARCH-REPORT- N. NITANI ET AL, "Thermophysical properties of rock-like oxide fuel with spinel-yttria stabilized zirconia system", JOURNAL OF NUCLEAR MATERIALS, NL, (19990801), vol. 274, no. 1-2, doi:10.1016/S0022-3115(99)00077-X, ISSN 0022-3115, pages 15 - 22, XP055243901 [X] 1-12 * the whole document *
INTERNATIONAL-SEARCH-REPORT- ZHANG Q ET AL, "Thermal Stability and Microstructural Development of Fine-grained (Y,Mg)-PSZ/MgAl2O4 Ceramics", JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, ELSEVIER SCIENCE PUBLISHERS, BARKING, ESSEX, GB, (19980601), vol. 18, no. 6, doi:10.1016/S0955-2219(97)00178-7, ISSN 0955-2219, pages 647 - 651, XP004121109 [X] 1-12 * the whole document *
OPPOSITION- "4.1.9.1 Zirkonoxid-, Zirkonoxid-Aluminiumoxid-, Aluminiumtitanat-Werkstoffe", G. ROUTSCHKA et al, PRAXISHANDBUCH FEUERFESTE WERKSTOFFE, Essen, Vulkan-Verlag GmbH, (20110000), pages 82 - 84, ISBN 978-3-8027-3161-7, XP055704035-
OPPOSITION- JOANNA MCKITTRICK, "Non-stoichiometry and defect structures in rapidly solidified MgO-Al 2 O 3 -ZrO 2 ternary eutectics", MATERIALS SCIENCE AND ENGINEERING A231, (19970101), pages 90 - 97, XP055243906-
OPPOSITION- "PARTIALLY AND FULLY STABILISED ZIRCONIA POWDERS", R. STEVENS, Zirconia and Zirconia Ceramics, Twickenham (UK), Magnesium Elektron Ltd, (19860000), pages 11 - 17 , 21-24, XP055704037-
OPPOSITION- R. NILICA, "Designed Microstructure of Electrofused Refractory Raw Material", RHI Bulletin, (2010), vol. 2010, no. 2, pages 56 - 59, XP055704036-

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