The patent EP2904053 was granted to Basf on Apr 8, 2020. The application was originally filed on Oct 3, 2013 under application number EP13844126A. The patent is currently recorded with a legal status of "Revoked".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | JP2010083727 | 
| DESCRIPTION | US2008196847 | 
| DESCRIPTION | US2010322981 | 
| DESCRIPTION | US4344987 | 
| DESCRIPTION | WO2007103812 | 
| INTERNATIONAL-SEARCH-REPORT | JP2000211962 | 
| INTERNATIONAL-SEARCH-REPORT | US2006225609 | 
| INTERNATIONAL-SEARCH-REPORT | US2010322981 | 
| INTERNATIONAL-SEARCH-REPORT | US6488756 | 
| INTERNATIONAL-SEARCH-REPORT | WO2011051122 | 
| OPPOSITION | CN102086310 | 
| OPPOSITION | CN102093759 | 
| OPPOSITION | DE2313331 | 
| OPPOSITION | DE3208325 | 
| OPPOSITION | DE422269 | 
| OPPOSITION | DE466463 | 
| OPPOSITION | EP0033457 | 
| OPPOSITION | EP0045851 | 
| OPPOSITION | EP0106235 | 
| OPPOSITION | EP0655486 | 
| OPPOSITION | EP0708154 | 
| OPPOSITION | EP0723997 | 
| OPPOSITION | EP1666541 | 
| OPPOSITION | WO2005042643 | 
| OPPOSITION | WO2009062886 | 
| OPPOSITION | WO2010149266 | 
| OPPOSITION | WO2011051122 | 
| OPPOSITION | WO2012004562 | 
| OTHER | US2006070552 | 
| OTHER | US2007032573 | 
| OTHER | US2012091702 | 
| OTHER | US3926659 | 
| OTHER | US4344987 | 
| OTHER | US4867793 | 
| OTHER | WO2011051122 | 
| SEARCH | JP2010083727 | 
| SEARCH | US4344987 | 
| SEARCH | WO2007103812 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| DESCRIPTION | - DENAVARRE, THE CHEMISTRY AND SCIENCE OF COSMETICS, Van Nostrand Co. Inc., (19620000), vol. 1, 2 | 
| DESCRIPTION | - THE CHEMISTRY AND SCIENCE OF COSMETICS, (19750000), vol. 3, 4 | 
| OPPOSITION | - Anonymous, "Carbonyleisen - Wikipedia", Wikipedia, (20120615), pages 1 - 1, Wikipedia, URL: https://de.wikipedia.org/wiki/Carbonyleisen, (20210304), XP055782064 | 
| OPPOSITION | - Anonymous, "Iron pentacarbonyl - Wikipedia", Wikipedia, (20120604), pages 1 - 4, Wikipedia, URL: https://en.wikipedia.org/wiki/Iron_pentacarbonyl, (20210304), XP055782065 | 
| OPPOSITION | - Anonymous, "Metallcarbonyle - Wikipedia", Wikipedia, (20120822), pages 1 - 20, Wikipedia, URL: https://de.wikipedia.org/wiki/Metallcarbonyle, (20210304), XP055782060 | 
| OPPOSITION | - Falbe, "Eisencarbonyle'' u. ''Eisen Herstellung", Römpp Chemie Lexikon, Thieme, (19900101), XP055780245 | 
| OTHER | - SCHMIDT U., "TECHNICAL DATA SHEET SYNCRYSTAL FIRE-RED", ECKART, (201207), URL: HTTP://WWW.ECKART.NET/UPLOADS/TX_DRIVEECKARTPRODUCTS/EE-35673.PDF, XP055197938 | 
| OTHER | - SUNCHEMICAL, "SUNSHINE EFFECTS. SYNTHETIC FLUORPHLOGOPITE BASED EFFECT PIGMENTS", PERFORMANCE PIGMENTS, (200702), XP003035841 | 
| SEARCH | - 35673 ET AL, "TECHNICAL DATA SHEET SynCrystal Fire-Red Free flowing powder with a Fire-Red reflection colour comprising nominal test criteria test method unit Telephone: INCI names", (20120630), URL: http://www.eckart.net/uploads/tx_driveeckartproducts/EE-35673.pdf, (20150422), XP055257350 [Y] 1-16 * the whole document * | 
| SEARCH | - SUNCHEMICAL, "SUNSHINE EFFECTS. SYNTHETIC FLUORPHLOGOPITE BASED EFFECT PIGMENTS", HIGH PERFORMANCE PIGMENTS, WILEY-VCH, DE, (20070201), pages 1 - 10, XP003035841 [Y] 1-16 * Table; page 2 * * page 1, column R, lines 15-31 * | 
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Date
Description
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Apr 16, 2024
Refund of fees
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Letter accompanying subsequently filed items
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Mar 8, 2018
Annex to the communication
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Mar 8, 2018
Communication from the Examining Division
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(Electronic) Receipt
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Nov 21, 2017
Letter accompanying subsequently filed items
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Annex to the communication
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May 11, 2017
Communication from the Examining Division
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Apr 28, 2017
Examination started
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Oct 28, 2016
Reply to Written Opinion prepared by the EPO
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Aug 12, 2016
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Invitation to file an authorisation
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European search opinion
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Information on Search Strategy
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Apr 5, 2016
Supplementary European search report
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Mar 9, 2016
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Amended claims with annotations
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Communication to designated inventor
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Jun 19, 2015
(Electronic) Receipt
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Letter concerning the inventor
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Jun 18, 2015
Letter which had not been notified
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Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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May 13, 2015
Deficiencies in designation of inventor
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Apr 23, 2015
(Electronic) Receipt
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Apr 23, 2015
Request for entry into the European phase
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Apr 22, 2015
Citation filed by a third party
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Apr 22, 2015
Citation filed by a third party
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Apr 22, 2015
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Apr 21, 2015
Feb 13, 2015
Information on entry into European phase
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Apr 30, 2014
Apr 10, 2014
Copy of the international search report
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Apr 10, 2014
Published international application - A1
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