IP Verse

Microemulsion Comprising Quaternary Ammonium Compound, Especially For Production Of Fabric Softener Formulations

Patent No. EP3679117 (titled "Microemulsion Comprising Quaternary Ammonium Compound, Especially For Production Of Fabric Softener Formulations") was filed by Evonik Operations on Sep 6, 2018. The application was issued on Aug 6, 2025.

Patent Summary

Patent Family

Dossier Documents

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

Aug 20, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 10, 2025
Decision to grant a European patent
Jun 26, 2025
(Electronic) Receipt
Jun 26, 2025
Filing of the translations of the claims
Jun 26, 2025
French translation of claims
Jun 26, 2025
German translation of the claims
Jun 26, 2025
Letter accompanying subsequently filed items
Mar 3, 2025
Annex to the communication about intention to grant a European patent
Mar 3, 2025
Bibliographic data of the European patent application
Mar 3, 2025
Communication about intention to grant a European patent
Mar 3, 2025
Intention to grant (signatures)
Mar 3, 2025
Text intended for grant (clean copy)
Mar 3, 2025
Text intended for grant (version for approval)
Oct 8, 2024
(Electronic) Receipt
Oct 8, 2024
Amended description with annotations
Oct 8, 2024
Description
Oct 8, 2024
Letter accompanying subsequently filed items
Oct 8, 2024
Reply to communication from the Examining Division
Aug 22, 2024
Annex to the communication
Aug 22, 2024
Communication from the Examining Division
Jan 25, 2024
(Electronic) Receipt
Jan 25, 2024
Amended claims with annotations
Jan 25, 2024
Claims
Jan 25, 2024
Letter accompanying subsequently filed items
Jan 25, 2024
Reply to communication from the Examining Division
Nov 7, 2023
Annex to the communication
Nov 7, 2023
Communication from the Examining Division
Oct 14, 2022
(Electronic) Receipt
Oct 14, 2022
Amended claims with annotations
Oct 14, 2022
Amended claims with annotations
Oct 14, 2022
Claims
Oct 14, 2022
Claims
Oct 14, 2022
Letter accompanying subsequently filed items
Oct 14, 2022
Reply to communication from the Examining Division
Aug 29, 2022
Grant of extension of time limit (examination procedure)
Aug 24, 2022
(Electronic) Receipt
Aug 24, 2022
Letter accompanying subsequently filed items
Aug 24, 2022
Request for extension of time limit to communication from the Examining Division
May 3, 2022
Annex to the communication
May 3, 2022
Communication from the Examining Division
Apr 27, 2022
Examination started
Dec 22, 2021
Rectification of the designation of the inventor under Rule 21 EPC
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
Designation of inventor
Dec 16, 2021
Letter accompanying subsequently filed items
Dec 16, 2021
Letter concerning the inventor
Jun 17, 2020
Notification on forthcoming publication of bibliographic data
May 4, 2020
(Electronic) Receipt
May 4, 2020
Letter accompanying subsequently filed items
May 4, 2020
Reply to Written Opinion prepared by the EPO
Apr 16, 2020
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Apr 14, 2020
Communication to designated inventor
Apr 14, 2020
Communication to designated inventor
Apr 14, 2020
Communication to designated inventor
Apr 14, 2020
Communication to designated inventor
Apr 14, 2020
Communication to designated inventor
Apr 14, 2020
Communication to designated inventor
Apr 14, 2020
Communication to designated inventor
Apr 14, 2020
Communication to designated inventor
Mar 26, 2020
Copy of the international preliminary report on patentability
Feb 20, 2020
(Electronic) Receipt
Feb 20, 2020
General authorisation
Feb 20, 2020
Request for entry into the European phase
Jan 17, 2020
Information on entry into European phase
Nov 19, 2019
Notification of the recording of a change
Nov 19, 2019
Notification of the recording of a change
Nov 19, 2019
Notification of the recording of a change
Nov 19, 2019
Notification of the recording of a change
Nov 19, 2019
Notification of the recording of a change
Nov 19, 2019
Notification of the recording of a change
Nov 19, 2019
Notification of the recording of a change
Nov 19, 2019
Notification of the recording of a change
Nov 19, 2019
Notification of the recording of a change
Nov 6, 2019
Submission concerning change of applicant's name
Nov 6, 2019
Submission concerning change of applicant's name
Apr 2, 2019
Priority document (electronically transmitted)
Mar 14, 2019
Copy of the international search report
Mar 14, 2019
Published international application - A1
Dec 5, 2018
ISR: cited documents
Dec 4, 2018
Written opinion of the ISA, boxes No. I to VIII
Dec 4, 2018
Written opinion of the ISA, cover sheet
Dec 4, 2018
Written opinion of the ISA, supplemental box
Oct 2, 2018
Notification of receipt of Search copy
Oct 2, 2018
Notification of the international application number and of the international filing date
Sep 28, 2018
Request form for international application (copy for ISA/EP)
Sep 11, 2018
Incoming letter related to PCT RO
Sep 6, 2018
(Electronic) Receipt
Sep 6, 2018
Abstract
Sep 6, 2018
Claims
Sep 6, 2018
Description
Sep 6, 2018
Document concerning fees and payments
Sep 6, 2018
Electronic request for grant of an International application

EP3679117

EVONIK OPERATIONS

Application Number: EP18769959A
Filing Date: Sep 6, 2018
Status: Granted And Under Opposition; Jul 4, 2025
Publication Date: Aug 6, 2025
External Links: Slate, Register , Google Patents