Patent No. EP2970679 (titled "A Process For Manufacturing Nanoparticles In A Concentrated Slurry") was filed by Nordkalk on Mar 13, 2014. The application was issued on Nov 22, 2023.

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.
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
Dec 19, 2025
Dec 17, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jan 9, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Sep 5, 2024
Sep 5, 2024
Aug 28, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Dec 5, 2023
Oct 26, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Aug 29, 2022
Aug 29, 2022
Aug 29, 2022
Aug 29, 2022
Aug 29, 2022
May 20, 2022
May 20, 2022
Apr 1, 2021
Mar 25, 2021
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Jun 18, 2020
Jun 18, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 25, 2020
Apr 2, 2020
Mar 27, 2020
Mar 27, 2020
Mar 27, 2020
Nov 26, 2019
Nov 26, 2019
Sep 21, 2017
Sep 21, 2017
Aug 16, 2017
Aug 16, 2017
Aug 16, 2017
Aug 16, 2017
May 2, 2016
May 2, 2016
May 2, 2016
May 2, 2016
Dec 23, 2015
Oct 22, 2015
Oct 16, 2015
Oct 16, 2015
Oct 16, 2015
Oct 1, 2015
Sep 7, 2015
Sep 7, 2015
Sep 7, 2015
Jul 22, 2015
Oct 8, 2014
Sep 18, 2014
Sep 18, 2014
Jun 26, 2014
Jun 26, 2014
Jun 26, 2014
Mar 13, 2014
Mar 13, 2014
Mar 13, 2014
Mar 13, 2014