Process For Preparing Alcohol Ether Sulfates

Patent No. EP3176240 (titled "Process For Preparing Alcohol Ether Sulfates") was filed by Chevron Oronite on Nov 4, 2016. The application was issued on Sep 7, 2022.

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.

Company	Opposition Date	Representative
SASOL PERFORMANCE CHEMICALS	Feb 20, 2020	MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC

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

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Aug 11, 2022
Decision to maintain the European patent in amended form
Aug 11, 2022
Decision to maintain the European patent in amended form
Aug 5, 2022
Termination of the opposition proceedings with maintenance of patent
Jul 28, 2022
(Electronic) Receipt
Jul 28, 2022
Filing of the translation of the amended claims
Jul 28, 2022
French translation of claims
Jul 28, 2022
German translation of the claims
May 27, 2022
Communication of bibliographic data
May 27, 2022
Communication to opponent concerning maintenance
May 27, 2022
Communication with request to file translations
May 19, 2022
Maintenance of the patent with the documents specified in the final decision
Feb 11, 2022
Advice of delivery
Feb 7, 2022
Annex to the communication - opposition
Feb 7, 2022
Decision of the Opposition Division and instruction
Feb 7, 2022
Druckexemplar in opposition procedure
Feb 7, 2022
Grounds for the decision (Annex) - opposition
Feb 7, 2022
Interlocutory decision in opposition proceedings
Feb 7, 2022
Interlocutory decision in opposition proceedings
Feb 7, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 7, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 7, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 7, 2022
Provision of a copy of the minutes - opposition procedure
Feb 7, 2022
Provision of a copy of the minutes - opposition procedure
Feb 7, 2022
Scanned annex to a communication - opposition procedure
Feb 7, 2022
Scanned annex to a communication - opposition procedure
Feb 7, 2022
Scanned annex to a communication - opposition procedure
Feb 7, 2022
Transmittal of decision / summons - opposition
Feb 7, 2022
Transmittal of decision / summons - opposition
Nov 23, 2021
Information about the result of oral proceedings
Sep 21, 2021
Brief communication - Opposition proceedings
Sep 20, 2021
Brief communication - Opposition proceedings
Sep 15, 2021
(Electronic) Receipt
Sep 15, 2021
(Electronic) Receipt
Sep 15, 2021
(Electronic) Receipt
Sep 15, 2021
Any annexes (other than citation) to an opposition letter
Sep 15, 2021
Letter accompanying subsequently filed items
Sep 15, 2021
Letter accompanying subsequently filed items
Sep 15, 2021
Written submission in preparation to/during oral proceedings
Sep 15, 2021
Written submission in preparation to/during oral proceedings
Jul 9, 2021
Notification concerning the date of oral proceedings
Jul 9, 2021
Notification concerning the date of oral proceedings
Nov 18, 2020
Advice of delivery
Nov 13, 2020
Advice of delivery
Nov 11, 2020
Acknowledgement of a document
Nov 11, 2020
Acknowledgement of a document
Nov 11, 2020
Information concerning oral proceedings
Nov 11, 2020
Summons to attend oral proceedings
Nov 11, 2020
Summons to attend oral proceedings
Nov 9, 2020
Notification concerning the date of oral proceedings
Nov 9, 2020
Notification concerning the date of oral proceedings
Nov 4, 2020
Parts of the file excluded from file inspection under Rule 144 d) EPC
Oct 29, 2020
Advice of delivery
Oct 29, 2020
Oral proceedings: Request for postponement
Oct 26, 2020
Advice of delivery
Oct 23, 2020
Acknowledgement of a document
Oct 23, 2020
Acknowledgement of a document
Oct 23, 2020
Annex to the communication - opposition
Oct 23, 2020
Information concerning oral proceedings
Oct 23, 2020
Summons to attend oral proceedings
Oct 23, 2020
Summons to attend oral proceedings
Jul 22, 2020
Brief communication - Opposition proceedings
Jul 17, 2020
(Electronic) Receipt
Jul 17, 2020
Letter accompanying subsequently filed items
Jul 17, 2020
Letter regarding the opposition procedure (no time limit)
Jul 6, 2020
Brief communication - Opposition proceedings
Jun 30, 2020
(Electronic) Receipt
Jun 30, 2020
Auxiliary request during Opposition procedure
Jun 30, 2020
Auxiliary request during Opposition procedure
Jun 30, 2020
Auxiliary request during Opposition procedure
Jun 30, 2020
Auxiliary request during Opposition procedure
Jun 30, 2020
Auxiliary request during Opposition procedure
Jun 30, 2020
Auxiliary request during Opposition procedure - 01
Jun 30, 2020
Auxiliary request during Opposition procedure - 02
Jun 30, 2020
Auxiliary request during Opposition procedure - 03
Jun 30, 2020
Auxiliary request during Opposition procedure - 04
Jun 30, 2020
Auxiliary request during Opposition procedure - 05
Jun 30, 2020
Letter accompanying subsequently filed items
Jun 30, 2020
Main request during Opposition procedure
Jun 30, 2020
Main request during Opposition procedure
Jun 30, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 10, 2020
Communication of a notice of opposition and request to file observations
Mar 10, 2020
Notice of further oppositions to opponent(s)
Feb 26, 2020
Communication of a notice of opposition - first information to patent proprietor
Feb 21, 2020
Consolidated list of cited opposition documents
Feb 20, 2020
(Electronic) Receipt
Feb 20, 2020
Citation in opposition procedure - 001
Feb 20, 2020
Citation in opposition procedure - 002
Feb 20, 2020
Citation in opposition procedure - 003
Feb 20, 2020
Citation in opposition procedure - 004
Feb 20, 2020
Citation in opposition procedure - 005
Feb 20, 2020
Citation in opposition procedure - 006
Feb 20, 2020
Citation in opposition procedure - 007
Feb 20, 2020
Citation in opposition procedure - 008
Feb 20, 2020
Citation in opposition procedure - 009
Feb 20, 2020
Letter accompanying subsequently filed items
Feb 20, 2020
Notice of opposition
Jun 3, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 26, 2019
Decision to grant a European patent
Apr 25, 2019
Submission concerning representation
Apr 10, 2019
Bibliographic data of the European patent application
Apr 10, 2019
Information about intention to grant a patent
Apr 10, 2019
Intention to grant (signatures)
Apr 10, 2019
Text intended for grant (clean copy)
Apr 10, 2019
Text intended for grant (version for approval)
Mar 26, 2019
(Electronic) Receipt
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Amended description with annotations
Mar 26, 2019
Claims
Mar 26, 2019
Description
Mar 26, 2019
French translation of claims
Mar 26, 2019
German translation of the claims
Mar 26, 2019
Letter accompanying subsequently filed items
Mar 26, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 16, 2018
Bibliographic data of the European patent application
Nov 16, 2018
Communication about intention to grant a European patent
Nov 16, 2018
Intention to grant (signatures)
Nov 16, 2018
Text intended for grant (clean copy)
Nov 16, 2018
Text intended for grant (version for approval)
Jun 29, 2018
(Electronic) Receipt
Jun 29, 2018
Letter accompanying subsequently filed items
Jun 29, 2018
Reply to communication from the Examining Division
Mar 29, 2018
Annex to the communication
Mar 29, 2018
Communication from the Examining Division
Mar 26, 2018
Examination started
Feb 5, 2018
Communication of amended entries concerning the representative
Jan 30, 2018
Submission concerning change of applicant's representative
Nov 27, 2017
(Electronic) Receipt
Nov 27, 2017
Amended claims filed after receipt of (European) search report
Nov 27, 2017
Amended claims with annotations
Nov 27, 2017
Amended description filed after receipt of (European) search report
Nov 27, 2017
Amended description with annotations
Nov 27, 2017
Amendments received before examination
Nov 27, 2017
Letter accompanying subsequently filed items
Jun 12, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
May 10, 2017
Notification of forthcoming publication
Apr 3, 2017
Communication regarding the transmission of the European search report
Apr 3, 2017
European search opinion
Apr 3, 2017
European search report
Apr 3, 2017
Information on Search Strategy
Mar 22, 2017
Search started
Mar 7, 2017
Confirmation of receipt of (electronically) transmitted priority document
Feb 15, 2017
Priority document (electronically transmitted)
Jan 4, 2017
Communication to designated inventor
Jan 4, 2017
Communication to designated inventor
Nov 4, 2016
Abstract
Nov 4, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Nov 4, 2016
Claims
Nov 4, 2016
Description
Nov 4, 2016
Designation of inventor
Nov 4, 2016
Drawings
Nov 4, 2016
Request for grant of a European patent

EP3176240

CHEVRON ORONITE

Application Number: EP16197328A
Filing Date: Nov 4, 2016
Status: Patent Maintained As Amended; Aug 5, 2022
Publication Date: Sep 7, 2022
External Links: Slate, Register , Google Patents

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Process For Preparing Alcohol Ether Sulfates

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Dossier Documents

EP3176240