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Azeotrope Compositions Comprising E-1,3,3,3-Tetrafluoropropene And Hydrogen Fluoride And Uses Thereof

Patent No. EP1948580 (titled "Azeotrope Compositions Comprising E-1,3,3,3-Tetrafluoropropene And Hydrogen Fluoride And Uses Thereof") was filed by EI DU Pont DE Nemours on Nov 1, 2006. The application was issued on Jun 7, 2023.

Patent Summary

Patent Family

Patent Oppositions

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
ARKEMA FRANCE	Sep 20, 2017	ARKEMA

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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May 11, 2023
Decision to maintain the European patent in amended form
May 11, 2023
Decision to maintain the European patent in amended form
May 5, 2023
Termination of the opposition proceedings with maintenance of patent
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
Filing of the translation of the amended claims
Apr 27, 2023
French translation of claims
Apr 27, 2023
German translation of the claims
Apr 27, 2023
Letter accompanying subsequently filed items
Feb 21, 2023
Communication of bibliographic data
Feb 21, 2023
Communication to opponent concerning maintenance
Feb 21, 2023
Communication with request to file translations
Feb 16, 2023
Maintenance of the patent with the documents specified in the final decision
Oct 27, 2022
Advice of delivery
Oct 24, 2022
Decision of the Opposition Division and instruction
Oct 24, 2022
Druckexemplar in opposition procedure
Oct 24, 2022
Grounds for the decision (Annex) - opposition
Oct 24, 2022
Interlocutory decision in opposition proceedings
Oct 24, 2022
Interlocutory decision in opposition proceedings
Oct 24, 2022
Means of redress
Oct 24, 2022
Transmittal of decision / summons - opposition
Oct 24, 2022
Transmittal of decision / summons - opposition
Jul 7, 2022
Annex to the communication - opposition
Jul 7, 2022
Brief communication - Opposition proceedings
Jul 7, 2022
Brief communication - Opposition proceedings
Jul 7, 2022
Communication inviting the parties to file observations
Jul 7, 2022
Communication inviting the parties to file observations
Apr 26, 2022
Brief communication - Opposition proceedings
Apr 20, 2022
(Electronic) Receipt
Apr 20, 2022
Amended description with annotations
Apr 20, 2022
Description
Apr 20, 2022
Letter accompanying subsequently filed items
Apr 20, 2022
Reply to an examination report in opposition proceedings
Mar 3, 2022
Annex to the communication - opposition
Mar 3, 2022
Brief communication - Opposition proceedings
Mar 3, 2022
Brief communication - Opposition proceedings
Mar 3, 2022
Communication inviting the parties to file observations
Mar 3, 2022
Communication inviting the parties to file observations
Jan 20, 2022
Brief communication - Opposition proceedings
Jan 17, 2022
(Electronic) Receipt
Jan 17, 2022
Letter accompanying subsequently filed items
Jan 17, 2022
Reply to an examination report in opposition proceedings
Nov 18, 2021
Annex to the communication - opposition
Nov 18, 2021
Brief communication - Opposition proceedings
Nov 18, 2021
Brief communication - Opposition proceedings
Nov 18, 2021
Communication inviting the parties to file observations
Nov 18, 2021
Communication inviting the parties to file observations
Oct 25, 2021
Brief communication - Opposition proceedings
Oct 19, 2021
(Electronic) Receipt
Oct 19, 2021
Amended description with annotations
Oct 19, 2021
Description
Oct 19, 2021
Letter accompanying subsequently filed items
Oct 19, 2021
Main request during Opposition procedure
Oct 19, 2021
Reply to an examination report in opposition proceedings
Jun 29, 2021
Annex to the communication - opposition
Jun 29, 2021
Brief communication - Opposition proceedings
Jun 29, 2021
Brief communication - Opposition proceedings
Jun 29, 2021
Communication inviting the parties to file observations
Jun 29, 2021
Internal form - Opposition/addressees
May 12, 2021
(Electronic) Receipt
May 12, 2021
Advice of delivery
May 12, 2021
Letter accompanying subsequently filed items
Apr 22, 2021
Advice of delivery
Apr 20, 2021
Decision of the Board of Appeal
Apr 20, 2021
F3032 Notification(s) of the decision
Apr 20, 2021
F3032 Notification(s) of the decision
Mar 25, 2021
F3013 Oral Proceedings: Forwarding minutes
Mar 25, 2021
F3013 Oral Proceedings: Forwarding minutes
Mar 25, 2021
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Mar 23, 2021
F3345 Forwarding of submissions to parties
Mar 17, 2021
(Electronic) Receipt
Mar 17, 2021
Letter accompanying subsequently filed items
Mar 17, 2021
Letter dealing with oral proceedings during the appeal procedure
Feb 26, 2021
F3345 Forwarding of submissions to parties
Feb 23, 2021
Request for interpreters during oral proceedings
Feb 18, 2021
F3018 Oral proceedings: Confirmation interpreters
Feb 18, 2021
F3018 Oral proceedings: Confirmation interpreters
Feb 18, 2021
F3345 Forwarding of submissions to parties
Feb 12, 2021
(Electronic) Receipt
Feb 12, 2021
Letter accompanying subsequently filed items
Feb 12, 2021
Request for interpreters during oral proceedings
Jan 27, 2021
Advice of delivery
Jan 25, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 25, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 25, 2021
Oral proceedings: change of venue
Jan 25, 2021
Oral proceedings: change of venue
Jan 22, 2021
F3345 Forwarding of submissions to parties
Jan 19, 2021
(Electronic) Receipt
Jan 19, 2021
Letter accompanying subsequently filed items
Jan 19, 2021
Request for interpreters during oral proceedings
Nov 24, 2020
F3345 Forwarding of submissions to parties
Nov 19, 2020
(Electronic) Receipt
Nov 19, 2020
Letter accompanying subsequently filed items
Nov 19, 2020
Withdrawal of a request for oral proceedings
Oct 12, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 12, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 11, 2020
Advice of delivery
Sep 7, 2020
Advice of delivery
Sep 4, 2020
F3011.1 Oral Proceedings: summons
Sep 4, 2020
F3011.1 Oral Proceedings: summons
Sep 1, 2020
F3010 Oral proceedings: order for summons
Sep 1, 2020
F3303.16 Change of composition of the Board (T)
Jul 8, 2020
Request for change of opponent's representative
Jul 8, 2020
Request for change of opponent's representative
Apr 24, 2020
F3345 Forwarding of submissions to parties
Apr 21, 2020
(Electronic) Receipt
Apr 21, 2020
Letter accompanying subsequently filed items
Apr 21, 2020
Letter relating to Appeal Procedure
Feb 3, 2020
Composition of the board (T)
Dec 10, 2019
F3345 Forwarding of submissions to parties
Dec 4, 2019
(Electronic) Receipt
Dec 4, 2019
Letter accompanying subsequently filed items
Dec 4, 2019
Non-Patent Literature cited during the appeal procedure
Dec 4, 2019
Reply to appeal
Jul 30, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Claims
Jul 23, 2019
Statement of grounds of appeal
May 14, 2019
F3204 Communication of the file number to the parties
May 14, 2019
F3204 Communication of the file number to the parties
May 9, 2019
(Electronic) Receipt
May 9, 2019
Letter accompanying subsequently filed items
May 9, 2019
Notice of appeal
May 9, 2019
Processing of an appeal
Mar 20, 2019
Advice of delivery
Mar 18, 2019
Advice of delivery
Mar 18, 2019
Advice of delivery
Mar 15, 2019
Advice of delivery
Mar 13, 2019
Acknowledgement of a document
Mar 13, 2019
Acknowledgement of a document
Mar 13, 2019
Annex to the communication - opposition
Mar 13, 2019
Decision of the Opposition Division and instruction
Mar 13, 2019
Decision revoking the European patent
Mar 13, 2019
Grounds for the decision (Annex) - opposition
Mar 13, 2019
Internal form - Opposition/addressees
Mar 13, 2019
Internal form - Opposition/addressees
Mar 13, 2019
Means of redress
Mar 13, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 13, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 13, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 13, 2019
Provision of a copy of the minutes - opposition procedure
Mar 13, 2019
Scanned annex to a communication - opposition procedure
Feb 1, 2019
Information about the result of oral proceedings
Jan 30, 2019
Brief communication - Opposition proceedings
Jan 23, 2019
Any annexes (other than citation) to an opposition letter
Jan 23, 2019
Written submission in preparation to/during oral proceedings
Jan 17, 2019
Notification concerning the date of oral proceedings
Jan 17, 2019
Notification concerning the date of oral proceedings
Jan 11, 2019
Brief communication - Opposition proceedings
Jan 7, 2019
(Electronic) Receipt
Jan 7, 2019
Letter accompanying subsequently filed items
Jan 7, 2019
Withdrawal of a request for oral proceedings
Dec 7, 2018
Brief communication - Opposition proceedings
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Amended claims with annotations
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Claims
Nov 30, 2018
Request for interpreters during oral proceedings
Nov 30, 2018
Written submission in preparation to/during oral proceedings
Nov 20, 2018
Brief communication - Opposition proceedings
Nov 15, 2018
(Electronic) Receipt
Nov 15, 2018
Letter accompanying subsequently filed items
Nov 15, 2018
Written submission in preparation to/during oral proceedings
Sep 28, 2018
Communication of amended entries concerning the representative
Sep 27, 2018
Brief communication - Opposition proceedings
Sep 20, 2018
Submission concerning change of proprietor's representative
Aug 21, 2018
Brief communication - Opposition proceedings
Aug 21, 2018
Communication confirming withdrawal from representation
Aug 21, 2018
Communication of amended entries concerning the representative
Aug 20, 2018
Brief communication - Opposition proceedings
Aug 17, 2018
Submission concerning change of proprietor's representative
Aug 14, 2018
(Electronic) Receipt
Aug 14, 2018
Letter accompanying subsequently filed items
Aug 14, 2018
Submission concerning change of proprietor's representative
Jul 17, 2018
(Electronic) Receipt
Jul 17, 2018
Advice of delivery
Jul 17, 2018
Letter accompanying subsequently filed items
Jul 16, 2018
Advice of delivery
Jul 13, 2018
Advice of delivery
Jul 6, 2018
Acknowledgement of a document
Jul 6, 2018
Acknowledgement of a document
Jul 6, 2018
Advice of delivery
Jul 6, 2018
Information concerning oral proceedings
Jul 6, 2018
Summons to attend oral proceedings
Jul 6, 2018
Summons to attend oral proceedings
Jul 4, 2018
Brief communication - Opposition proceedings
Jun 28, 2018
(Electronic) Receipt
Jun 28, 2018
Advice of delivery
Jun 28, 2018
Any annexes (other than citation) to an opposition letter
Jun 28, 2018
Letter accompanying subsequently filed items
Jun 28, 2018
Oral proceedings: Request for postponement
Jun 25, 2018
Acknowledgement of a document
Jun 25, 2018
Acknowledgement of a document
Jun 25, 2018
Annex to the communication - opposition
Jun 25, 2018
Information concerning oral proceedings
Jun 25, 2018
Preparation for oral proceedings
Jun 25, 2018
Summons to attend oral proceedings
Jun 25, 2018
Summons to attend oral proceedings
May 28, 2018
Communication of amended entries concerning the representative
May 17, 2018
Submission concerning change of applicant's representative
Mar 9, 2018
Brief communication - Opposition proceedings
Mar 5, 2018
(Electronic) Receipt
Mar 5, 2018
Any annexes (other than citation) to an opposition letter
Mar 5, 2018
Any annexes (other than citation) to an opposition letter
Mar 5, 2018
Letter accompanying subsequently filed items
Mar 5, 2018
Reply of the patent proprietor to the notice(s) of opposition
Oct 26, 2017
Communication of a notice of opposition and request to file observations
Oct 26, 2017
Notice of further oppositions to opponent(s)
Sep 27, 2017
Communication of a notice of opposition - first information to patent proprietor
Sep 20, 2017
(Electronic) Receipt
Sep 20, 2017
Notice of opposition
Sep 20, 2017
Notice of opposition
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Dec 21, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 24, 2016
Decision to grant a European patent
Oct 28, 2016
(Electronic) Receipt
Oct 28, 2016
Filing of the translations of the claims
Oct 28, 2016
French translation of claims
Oct 28, 2016
German translation of the claims
Oct 28, 2016
Letter accompanying subsequently filed items
Aug 18, 2016
Bibliographic data of the European patent application
Aug 18, 2016
Communication about intention to grant a European patent
Aug 18, 2016
Intention to grant (signatures)
Aug 18, 2016
Text intended for grant (clean copy)
Aug 18, 2016
Text intended for grant (version for approval)
Jun 27, 2016
(Electronic) Receipt
Jun 27, 2016
Claims
Jun 27, 2016
Letter accompanying subsequently filed items
Jun 27, 2016
Reply to communication from the Examining Division
Jun 23, 2016
Annex to the communication
Jun 23, 2016
Communication from the Examining Division
May 24, 2016
Communication of the registration of a transfer or change of name and/or address
May 11, 2016
Payment of fees and costs
May 11, 2016
Submission concerning a transfer of rights (applicant)
Jun 17, 2015
(Electronic) Receipt
Jun 17, 2015
Amended claims with annotations
Jun 17, 2015
Amended description with annotations
Jun 17, 2015
Claims
Jun 17, 2015
Description
Jun 17, 2015
Letter accompanying subsequently filed items
Jun 17, 2015
Reply to communication from the Examining Division
Apr 10, 2015
CDS Clean up - amended applicant details
Apr 8, 2015
Annex to the communication
Apr 8, 2015
Communication from the Examining Division
Apr 7, 2015
Submission concerning change of applicant's address
Oct 23, 2014
Response to enquiry for communication from the Examining Division
Oct 16, 2014
Enquiry as to when a communication from the Examining Division can be expected
Apr 15, 2013
Claims
Apr 15, 2013
Description
Apr 15, 2013
Reply to communication from the Examining Division
Feb 20, 2013
Grant of extension of time limit (examination procedure)
Feb 14, 2013
Request for extension of time limit to communication from the Examining Division
Oct 5, 2012
Annex to the communication
Oct 5, 2012
Communication from the Examining Division
Jul 25, 2012
Matter concerning the application
Jul 25, 2012
Matter concerning the application
Jun 15, 2012
Response to enquiry for communication from the Examining Division
Jun 8, 2012
Enquiry as to when a communication from the Examining Division can be expected
Jun 9, 2011
Decision to allow further processing
May 25, 2011
Amended description with annotations
May 25, 2011
Claims
May 25, 2011
Request for further processing
May 23, 2011
Claims
May 23, 2011
Description
May 23, 2011
Payment of fees and costs
May 23, 2011
Request for further processing
Mar 15, 2011
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Dec 13, 2010
Grant of extension of time limit (examination procedure)
Dec 8, 2010
Request for extension of time limit to communication from the Examining Division
Dec 7, 2010
Request for extension of time limit to communication from the Examining Division
Jul 29, 2010
Annex to the communication
Jul 29, 2010
Communication from the Examining Division
Jan 7, 2010
Submission concerning representation
Jan 5, 2010
Submission concerning representation
Jul 29, 2009
Decision to allow further processing
Jul 16, 2009
Claims
Jul 16, 2009
Description
Jul 16, 2009
Request for further processing
May 15, 2009
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Feb 17, 2009
Grant of extension of time limit (examination procedure)
Feb 16, 2009
Request for extension of time limit to communication from the Examining Division
Feb 11, 2009
Request for extension of time limit to communication from the Examining Division
Oct 15, 2008
Final instructions (loss of partial rights)
Oct 1, 2008
Annex to the communication
Oct 1, 2008
Communication from the Examining Division
Jul 8, 2008
Designation deemed to be withdrawn (loss of partial rights)
Jul 2, 2008
Notification on forthcoming publication of bibliographic data
Jun 18, 2008
CDS Clean up - amended applicant details
Jun 16, 2008
Communication regarding possible amendment of claims/payment of claims fees
Jun 12, 2008
Confirmation of receipt of (electronically) transmitted priority document
May 29, 2008
Copy of the international preliminary report on patentability
May 5, 2008
Patent document cited during the examination procedure
May 5, 2008
Request for entry into the European phase
Mar 14, 2008
Information on entry into European phase
Jul 12, 2007
Copy of the international search report
Jul 12, 2007
International publication of the international search report
May 29, 2007
Priority document (electronically transmitted)
May 10, 2007
Published international application - A2
Dec 29, 2006
Abstract
Dec 29, 2006
Claims
Dec 29, 2006
Description
Dec 29, 2006
Drawings
Dec 29, 2006
Submission concerning representation

EP1948580

EI DU PONT DE NEMOURS

Application Number: EP06827294A
Filing Date: Nov 1, 2006
Status: Patent Maintained As Amended; May 5, 2023
Publication Date: Jun 7, 2023
External Links: Slate, Register , Google Patents