The patent EP2509566 was granted to KAO Germany on Mar 9, 2022. The application was originally filed on Dec 3, 2010 under application number EP10787318A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | DE2521960 |
| DESCRIPTION | DE2811010 |
| DESCRIPTION | DE3044738 |
| DESCRIPTION | DE3217059 |
| DESCRIPTION | DE4304828 |
| DESCRIPTION | EP0337354 |
| DESCRIPTION | EP0524612 |
| DESCRIPTION | EP0640643 |
| DESCRIPTION | WO9301791 |
| INTERNATIONAL-SEARCH-REPORT | EP0116838 |
| INTERNATIONAL-SEARCH-REPORT | EP1920755 |
| INTERNATIONAL-SEARCH-REPORT | GB1453527 |
| INTERNATIONAL-SEARCH-REPORT | US4214596 |
| INTERNATIONAL-SEARCH-REPORT | WO2005018587 |
| OPPOSITION | EP0443356 |
| OPPOSITION | EP1797861 |
| OPPOSITION | GB1453527 |
| OPPOSITION | US2008219942 |
| OPPOSITION | US2214596 |
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 | - D. HOLLENBERG, SEIFEN-OLE-FETTE-WACHSE, (1991), vol. 117, pages 81 - 87 |
| DESCRIPTION | - K. SCHRADER, Grundlagen und Rezepturen der Kosmetika, HUTHIG BUCHVERLAG, (1989), pages 823 - 840 |
| DESCRIPTION | - Ullmann's Encyclopedia of Industrial Chemistry, (1986), vol. A12, pages 588 - 591 |
| OPPOSITION | - Anonymous, "Bericht über die Qualität von Wasser für den menschlichen Gebrauch (Trinkwasser) in Deutschland", Bundesministerium für Gesundheit, (20081200), pages 1 - 45, XP055591934 |
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Decision to grant a European patent
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(Electronic) Receipt
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Jul 12, 2018
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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Apr 13, 2018
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Intention to grant (signatures)
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Apr 13, 2018
Text intended for grant
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Apr 10, 2018
Annex to a communication
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Advice of delivery
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Acknowledgement of a document
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Annex to the communication
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Summons to attend oral proceedings
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Preparation for oral proceedings
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Annex to the communication
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Communication from the Examining Division
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Dec 30, 2014
Payment of fees and costs
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Claims
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Annex to the communication
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Communication from the Examining Division
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(Electronic) Receipt
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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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(Electronic) Receipt
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Annexes in respect of a client data request
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Request for entry into the European phase
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Jul 5, 2011
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Copy of the international search report
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Published international application - A1
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Dec 3, 2010
Abstract
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Description
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