Cationic Emulsion Terpolymer For Dewatering Aqueous Sludge

Patent No. EP4519222 (titled "Cationic Emulsion Terpolymer For Dewatering Aqueous Sludge") was filed by Solenis Cayman on May 4, 2023. The application was issued on Mar 12, 2025.

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.

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Jan 20, 2026
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 2, 2026
Communication regarding the transmission of the European search report
Jan 2, 2026
European search opinion
Jan 2, 2026
Information on Search Strategy
Jan 2, 2026
Supplementary European search report
Dec 11, 2025
Search started
Feb 12, 2025
Notification on forthcoming publication of bibliographic data
Dec 11, 2024
Communication regarding possible amendment of the application/payment of claims fee
Nov 22, 2024
(Electronic) Receipt
Nov 22, 2024
Request for entry into the European phase
Nov 18, 2024
Copy of the international preliminary report on patentability
Nov 5, 2024
Notification of the recording of a change
Jan 25, 2024
Copy of the international search report
Jan 25, 2024
International publication of the international search report
Nov 27, 2023
Priority document (electronically transmitted)
Nov 9, 2023
Published international application - A2

EP4519222

SOLENIS CAYMAN

Application Number: EP23800223A
Filing Date: May 4, 2023
Status: Request For Examination Was Made; Feb 7, 2025
Publication Date: Mar 12, 2025
External Links: Slate, Register , Google Patents

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Cationic Emulsion Terpolymer For Dewatering Aqueous Sludge

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EP4519222