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Use Of A Binary Salt Flux Of Nacl And Mgci2 For The Purification Of Aluminum Or Aluminum Alloys, And Method Thereof

Patent No. EP2446065 (titled "Use Of A Binary Salt Flux Of Nacl And Mgci2 For The Purification Of Aluminum Or Aluminum Alloys, And Method Thereof") was filed by Pyrotek on Jun 8, 2010. The application was issued on Feb 21, 2024.

Patent Summary

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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
HUTTENES ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	Sep 16, 2021	EISENFUHR SPEISER

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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Jan 25, 2024
Decision to maintain the European patent in amended form
Jan 25, 2024
Decision to maintain the European patent in amended form
Jan 11, 2024
(Electronic) Receipt
Jan 11, 2024
French translation of claims
Jan 11, 2024
German translation of the claims
Jan 11, 2024
Letter accompanying subsequently filed items
Oct 18, 2023
Communication of bibliographic data
Oct 18, 2023
Communication to opponent concerning maintenance
Oct 18, 2023
Communication with request to file translations
Oct 10, 2023
Maintenance of the patent with the documents specified in the final decision
Sep 19, 2023
Annex to the communication - opposition
Sep 19, 2023
Annex to the communication - opposition
Sep 19, 2023
Brief communication - Opposition proceedings
Sep 19, 2023
Brief communication - Opposition proceedings
Sep 19, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 19, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 19, 2023
Provision of a copy of the minutes - opposition procedure
Sep 19, 2023
Provision of a copy of the minutes - opposition procedure
Sep 15, 2023
Brief communication - Opposition proceedings
Sep 11, 2023
(Electronic) Receipt
Sep 11, 2023
Letter accompanying subsequently filed items
Sep 11, 2023
Request for correction
Jun 28, 2023
Annex to the communication - opposition
Jun 28, 2023
Decision of the Opposition Division and instruction
Jun 28, 2023
Druckexemplar in opposition procedure
Jun 28, 2023
Grounds for the decision (Annex) - opposition
Jun 28, 2023
Interlocutory decision in opposition proceedings
Jun 28, 2023
Interlocutory decision in opposition proceedings
Jun 28, 2023
Means of redress
Jun 28, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 28, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 28, 2023
Provision of a copy of the minutes - opposition procedure
Jun 28, 2023
Provision of a copy of the minutes - opposition procedure
Jun 28, 2023
Scanned annex to a communication - opposition procedure
Jun 28, 2023
Scanned annex to a communication - opposition procedure
Jun 28, 2023
Transmittal of decision / summons - opposition
Jun 28, 2023
Transmittal of decision / summons - opposition
May 31, 2023
Information about the result of oral proceedings
Apr 11, 2023
Brief communication - Opposition proceedings
Apr 6, 2023
Brief communication - Opposition proceedings
Mar 31, 2023
(Electronic) Receipt
Mar 31, 2023
(Electronic) Receipt
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure
Mar 31, 2023
Auxiliary request during Opposition procedure - 01
Mar 31, 2023
Auxiliary request during Opposition procedure - 02
Mar 31, 2023
Auxiliary request during Opposition procedure - 03
Mar 31, 2023
Auxiliary request during Opposition procedure - 04
Mar 31, 2023
Auxiliary request during Opposition procedure - 05
Mar 31, 2023
Auxiliary request during Opposition procedure - 06
Mar 31, 2023
Auxiliary request during Opposition procedure - 07
Mar 31, 2023
Auxiliary request during Opposition procedure - 08
Mar 31, 2023
Auxiliary request during Opposition procedure - 09
Mar 31, 2023
Auxiliary request during Opposition procedure - 10
Mar 31, 2023
Auxiliary request during Opposition procedure - 11
Mar 31, 2023
Auxiliary request during Opposition procedure - 12
Mar 31, 2023
Auxiliary request during Opposition procedure - 13
Mar 31, 2023
Auxiliary request during Opposition procedure - 14
Mar 31, 2023
Auxiliary request during Opposition procedure - 15
Mar 31, 2023
Auxiliary request during Opposition procedure - 16
Mar 31, 2023
Auxiliary request during Opposition procedure - 17
Mar 31, 2023
Auxiliary request during Opposition procedure - 18
Mar 31, 2023
Letter accompanying subsequently filed items
Mar 31, 2023
Letter accompanying subsequently filed items
Mar 31, 2023
Letter dealing with oral proceedings
Mar 31, 2023
Main request during Opposition procedure
Mar 31, 2023
Main request during Opposition procedure
Mar 31, 2023
Written submission in preparation to/during oral proceedings
Mar 31, 2023
Written submission in preparation to/during oral proceedings
Mar 29, 2023
(Electronic) Receipt
Mar 29, 2023
Letter accompanying subsequently filed items
Feb 27, 2023
Notification concerning the date of oral proceedings
Feb 27, 2023
Notification concerning the date of oral proceedings
Nov 21, 2022
(Electronic) Receipt
Nov 21, 2022
Advice of delivery
Nov 21, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Annex to the communication - opposition
Nov 14, 2022
Information concerning oral proceedings
Nov 14, 2022
Scanned annex to a communication - opposition procedure
Nov 14, 2022
Summons to attend oral proceedings
Nov 14, 2022
Summons to attend oral proceedings
Nov 14, 2022
Transmittal of decision / summons - opposition
Nov 14, 2022
Transmittal of decision / summons - opposition
Apr 6, 2022
Brief communication - Opposition proceedings
Mar 31, 2022
(Electronic) Receipt
Mar 31, 2022
Citation in opposition procedure - 012
Mar 31, 2022
Consolidated list of cited opposition documents
Mar 31, 2022
Letter accompanying subsequently filed items
Mar 31, 2022
Letter regarding the opposition procedure (no time limit)
Feb 10, 2022
Brief communication - Opposition proceedings
Feb 10, 2022
Request for documents
Feb 4, 2022
(Electronic) Receipt
Feb 4, 2022
Auxiliary request during Opposition procedure
Feb 4, 2022
Auxiliary request during Opposition procedure - 01
Feb 4, 2022
Citation in opposition procedure
Feb 4, 2022
Letter accompanying subsequently filed items
Feb 4, 2022
Main request during Opposition procedure
Feb 4, 2022
Main request during Opposition procedure
Feb 4, 2022
Reply of the patent proprietor to the notice(s) of opposition
Nov 5, 2021
Brief communication - Opposition proceedings
Nov 1, 2021
(Electronic) Receipt
Nov 1, 2021
Citation in opposition procedure - 005
Nov 1, 2021
Letter accompanying subsequently filed items
Nov 1, 2021
Letter regarding the opposition procedure (no time limit)
Sep 30, 2021
Communication of a notice of opposition and request to file observations
Sep 30, 2021
Notice of further oppositions to opponent(s)
Sep 24, 2021
Request for documents
Sep 22, 2021
Communication of a notice of opposition - first information to patent proprietor
Sep 16, 2021
(Electronic) Receipt
Sep 16, 2021
Any annexes (other than citation) to an opposition letter
Sep 16, 2021
Citation in opposition procedure - 001
Sep 16, 2021
Citation in opposition procedure - 002
Sep 16, 2021
Citation in opposition procedure - 003
Sep 16, 2021
Citation in opposition procedure - 004
Sep 16, 2021
Citation in opposition procedure - 005
Sep 16, 2021
Citation in opposition procedure - 006
Sep 16, 2021
Citation in opposition procedure - 007
Sep 16, 2021
Citation in opposition procedure - 008
Sep 16, 2021
Citation in opposition procedure - 009
Sep 16, 2021
Citation in opposition procedure - 010
Sep 16, 2021
Citation in opposition procedure - 011
Sep 16, 2021
International publication (Pamphlet)
Sep 16, 2021
Notice of opposition
Sep 16, 2021
Notice of opposition
Jan 11, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 19, 2020
Decision to grant a European patent
Oct 29, 2020
(Electronic) Receipt
Oct 29, 2020
French translation of claims
Oct 29, 2020
German translation of the claims
Oct 29, 2020
Letter accompanying subsequently filed items
Aug 18, 2020
Bibliographic data of the European patent application
Aug 18, 2020
Communication about intention to grant a European patent
Aug 18, 2020
Intention to grant (signatures)
Aug 18, 2020
Text intended for grant (clean copy)
Aug 18, 2020
Text intended for grant (version for approval)
Jul 22, 2020
(Electronic) Receipt
Jul 22, 2020
Amended claims with annotations
Jul 22, 2020
Amended description with annotations
Jul 22, 2020
Claims
Jul 22, 2020
Description
Jul 22, 2020
Letter accompanying subsequently filed items
Jul 22, 2020
Letter filed before dispatch of the 1st communication from the Examining Division(examination procedure)
Jul 22, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 26, 2020
Bibliographic data of the European patent application
Mar 26, 2020
Communication about intention to grant a European patent
Mar 26, 2020
Intention to grant (signatures)
Mar 26, 2020
Text intended for grant (clean copy)
Mar 26, 2020
Text intended for grant (version for approval)
Jun 28, 2019
(Electronic) Receipt
Jun 28, 2019
Amended claims with annotations
Jun 28, 2019
Amended description with annotations
Jun 28, 2019
Claims
Jun 28, 2019
Description
Jun 28, 2019
Letter accompanying subsequently filed items
Jun 28, 2019
Reply to communication from the Examining Division
Jun 11, 2019
Grant of extension of time limit (examination procedure)
Jun 4, 2019
(Electronic) Receipt
Jun 4, 2019
Letter accompanying subsequently filed items
Jun 4, 2019
Request for extension of time limit to communication from the Examining Division
Feb 7, 2019
Annex to the communication
Feb 7, 2019
Communication from the Examining Division
Jan 29, 2019
(Electronic) Receipt
Jan 29, 2019
Amended claims with annotations
Jan 29, 2019
Claims
Jan 29, 2019
Letter accompanying subsequently filed items
Jan 29, 2019
Reply to communication from the Examining Division
Dec 4, 2018
Grant of extension of time limit (examination procedure)
Nov 29, 2018
(Electronic) Receipt
Nov 29, 2018
Letter accompanying subsequently filed items
Nov 29, 2018
Request for extension of time limit to communication from the Examining Division
Aug 2, 2018
Annex to the communication
Aug 2, 2018
Communication from the Examining Division
Jul 5, 2018
(Electronic) Receipt
Jul 5, 2018
Amended claims with annotations
Jul 5, 2018
Amended description with annotations
Jul 5, 2018
Claims
Jul 5, 2018
Description
Jul 5, 2018
Letter accompanying subsequently filed items
Jul 5, 2018
Reply to communication from the Examining Division
May 9, 2018
Grant of extension of time limit (examination procedure)
May 3, 2018
(Electronic) Receipt
May 3, 2018
Letter accompanying subsequently filed items
May 3, 2018
Request for extension of time limit to communication from the Examining Division
Jan 3, 2018
Annex to the communication
Jan 3, 2018
Communication from the Examining Division
Dec 21, 2017
Examination started
Aug 18, 2017
(Electronic) Receipt
Aug 18, 2017
Amended claims filed after receipt of (European) search report
Aug 18, 2017
Amended claims with annotations
Aug 18, 2017
Amended description filed after receipt of (European) search report
Aug 18, 2017
Amended description with annotations
Aug 18, 2017
Amendments received before examination
Aug 18, 2017
Amendments received before examination
Aug 18, 2017
Letter accompanying subsequently filed items
Feb 28, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 10, 2017
Communication regarding the transmission of the European search report
Feb 10, 2017
European search opinion
Feb 10, 2017
Information on Search Strategy
Feb 10, 2017
Supplementary European search report
Feb 2, 2017
Search started
May 27, 2016
Communication of amended entries concerning the representative
May 20, 2016
Submission concerning change of applicant's representative
May 13, 2016
Submission concerning change of applicant's address
Jun 13, 2013
Letter relating to the automatic debiting procedure
Aug 29, 2012
Refund of fees
Aug 13, 2012
(Electronic) Receipt
Aug 13, 2012
Amended claims filed after receipt of (European) search report
Aug 13, 2012
Amendments received before examination
Aug 13, 2012
Letter accompanying subsequently filed items
Apr 4, 2012
Notification on forthcoming publication of bibliographic data
Feb 2, 2012
Communication regarding possible amendment of the application/payment of claims fee
Jan 2, 2012
(Electronic) Receipt
Jan 2, 2012
Amended claims filed after receipt of (European) search report
Jan 2, 2012
Request for entry into the European phase
Dec 28, 2011
Copy of the international preliminary report on patentability
Oct 21, 2011
Information on entry into European phase
Apr 5, 2011
Priority document (electronically transmitted)
Dec 16, 2010
Copy of the international search report
Dec 16, 2010
Published international application - A1

EP2446065

PYROTEK

Application Number: EP10785623A
Filing Date: Jun 8, 2010
Status: Patent Maintained As Amended; Jan 19, 2024
Publication Date: Feb 21, 2024
External Links: Slate, Register , Google Patents