The patent EP3262941 was granted to Arch Chemicals on Apr 3, 2019. The application was originally filed on May 25, 2007 under application number EP17171739A. 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.
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 | Link |
|---|---|---|
| OPPOSITION | - Anonymous, "PROXEL PZ Preservative", ARCH, (20050809), page 1, XP055667907 | - |
| OPPOSITION | - Anonymous, "Technical Information Bulletin", Proxel BZ, (20000000), pages 1 - 4, XP055667912 | - |
| OPPOSITION | - I. VICTOR MATTEI et al., "Formulating Stable Latex Paints With Zinc Oxide", J. of Coatings Tech., (19911200), vol. 63, pages 39 - 45, XP003027210 | - |
| SEARCH | - Anonymous, "Proxel BZ Preservative", (20020227), URL: https://register.epo.org/application?documentId=EW8PGBBJ9405936&number=EP07809194&lng=en&npl=true, (20170927), XP055410753 [Y] 4 * "Active Ingredients"; page 1, column middle * * "Summary"; page 2, column left * * "Directions for Use"; page 3, column left * [A] 1-3 | - |
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Date
Description
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Oct 29, 2024
Oct 29, 2024
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(Electronic) Receipt
Appeal
Oct 21, 2024
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Sep 3, 2024
(Electronic) Receipt
Appeal
Sep 3, 2024
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Aug 29, 2024
(Electronic) Receipt
Appeal
Aug 29, 2024
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(Electronic) Receipt
Appeal
Aug 22, 2024
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Aug 9, 2024
Annexes in respect of a client data request
Search/Exam
Aug 9, 2024
Letter accompanying subsequently filed items
Search/Exam
Aug 9, 2024
May 10, 2024
May 10, 2024
Nov 22, 2023
Nov 20, 2023
Nov 6, 2023
Advice of delivery
Appeal
Oct 30, 2023
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Jul 13, 2023
Advice of delivery
Appeal
Jul 11, 2023
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Jul 3, 2023
(Electronic) Receipt
Appeal
Jul 3, 2023
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(Electronic) Receipt
Appeal
Jul 14, 2022
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Reply to appeal
Appeal
Mar 22, 2022
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Dec 16, 2021
General authorisation
Appeal
Dec 16, 2021
Dec 14, 2021
General authorisation
Appeal
Dec 14, 2021
Notice of appeal
Appeal
Nov 25, 2021
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Means of redress
OPPO
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Observations by third parties
Search/Exam
Jan 21, 2020
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Dec 19, 2019
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Apr 15, 2019
Mar 13, 2019
Mar 8, 2019
Observations by third parties
Search/Exam
Mar 7, 2019
Decision to grant a European patent
Search/Exam
Mar 7, 2019
Observations by third parties
Search/Exam
Feb 21, 2019
Feb 20, 2019
Feb 18, 2019
(Electronic) Receipt
Search/Exam
Feb 18, 2019
Filing of the translations of the claims
Search/Exam
Feb 18, 2019
French translation of claims
Search/Exam
Feb 18, 2019
German translation of the claims
Search/Exam
Feb 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 14, 2019
Observations by third parties
Search/Exam
Dec 12, 2018
Dec 12, 2018
Dec 12, 2018
Intention to grant (signatures)
Search/Exam
Dec 12, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 12, 2018
Nov 28, 2018
Nov 28, 2018
Nov 22, 2018
Examination started
Search/Exam
Nov 22, 2018
Observations by third parties
Search/Exam
Nov 21, 2018
Observations by third parties
Search/Exam
Nov 5, 2018
Decision to allow further processing
Search/Exam
Oct 18, 2018
(Electronic) Receipt
Search/Exam
Oct 18, 2018
Oct 18, 2018
Amended claims with annotations
Search/Exam
Oct 18, 2018
Oct 18, 2018
Amended description with annotations
Search/Exam
Oct 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2018
Request for further processing
Search/Exam
Aug 9, 2018
Jun 27, 2018
(Electronic) Receipt
Search/Exam
Jun 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2018
Letter concerning fees and payments
Search/Exam
Jan 8, 2018
Dec 6, 2017
Notification of forthcoming publication
Search/Exam
Oct 18, 2017
Refund of fees
Search/Exam
Oct 9, 2017
Oct 9, 2017
European search opinion
Search/Exam
Oct 9, 2017
European search report
Search/Exam
Oct 9, 2017
Information on Search Strategy
Search/Exam
Sep 20, 2017
Aug 30, 2017
(Electronic) Receipt
Search/Exam
Aug 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 30, 2017
Aug 17, 2017
(Electronic) Receipt
Search/Exam
Aug 17, 2017
Claims
Search/Exam
Aug 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2017
Matter concerning the application
Search/Exam
Jul 11, 2017
Communication to designated inventor
Search/Exam
Jul 11, 2017
Communication to designated inventor
Search/Exam
Jul 11, 2017
Communication to designated inventor
Search/Exam
Jun 30, 2017
Invitation to file claims
Search/Exam
May 18, 2017
Abstract
Search/Exam
May 18, 2017
May 18, 2017
Description
Search/Exam
May 18, 2017
Designation of inventor
Search/Exam
May 18, 2017
Drawings
Search/Exam
May 18, 2017
Request for grant of a European patent
Search/Exam
Jan 4, 2008
Jan 4, 2008