The patent EP2452668 was granted to KAO on Oct 3, 2018. The application was originally filed on Jul 6, 2010 under application number EP10796902A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | JP2007022997 | 
| INTERNATIONAL-SEARCH-REPORT | JP2003171229 | 
| INTERNATIONAL-SEARCH-REPORT | JP2007022997 | 
| INTERNATIONAL-SEARCH-REPORT | JP2008127341 | 
| INTERNATIONAL-SEARCH-REPORT | JP2008297301 | 
| INTERNATIONAL-SEARCH-REPORT | JP2008308462 | 
| OPPOSITION | EP1153595 | 
| OPPOSITION | EP2149361 | 
| OPPOSITION | JP2000119178 | 
| OPPOSITION | JP2001097816 | 
| OPPOSITION | JP2006056851 | 
| OPPOSITION | JP2007022997 | 
| OPPOSITION | JP2007063145 | 
| OPPOSITION | JP2008044866 | 
| OPPOSITION | JP3400666B | 
| OPPOSITION | JP4152301B | 
| OPPOSITION | US5641495 | 
| OPPOSITION | US6348200 | 
| OPPOSITION | US6908625 | 
| OPPOSITION | US7854922 | 
| OPPOSITION | WO2007089100 | 
| SEARCH | JP2008297301 | 
| SEARCH | US2008241084 | 
| SEARCH | WO2008133267 | 
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 | - ATSUSHI FUJITA, "Prediction of Organic Compounds by a Conceptual Diagram", KAGAKU-NO-RYOUIKI, (1957), vol. 11, no. 10, pages 719 - 725 | 
| DESCRIPTION | - J. LIPID RES., (1983), vol. 24, page 759 | 
| DESCRIPTION | - J. LIPID. RES., (1994), vol. 35, page 2069 | 
| DESCRIPTION | - WILSON, D. A.; OTT, E., J. CHEM. PHYS., (1934), vol. 2, pages 231 - 238 | 
| OPPOSITION | - Fujita,, "Voreinschätzung von organischen verbindungen und schematische darstellung der Organik", Kagaku-no-ryouiki, (19570000), vol. 11, no. 10, pages 719 - 725, XP055626236 | 
| OTHER | - Kagaku-no-Ryouiki, (19570000), vol. 11, no. 10, pages 719 - 725 | 
Get a free citation report including examiner, opposition, and international search citations.
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Complaint
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Sep 6, 2018
Decision to grant a European patent
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Description
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Claims
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Description
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Examination started
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Amended claims with annotations
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Oct 10, 2016
Amendments received before examination
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European search opinion
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Information on Search Strategy
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Supplementary European search report
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Search started
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Submission concerning representation
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May 9, 2012
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Notification of forthcoming publication
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(Electronic) Receipt
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Abstract
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Claims
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Description
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Drawings
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Jan 2, 2012
Request for entry into the European phase
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Nov 18, 2011
Information on entry into European phase
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Copy of the international search report
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International publication pamphlet
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