Purification Of Carbon Dioxide

Patent No. EP1952874 (titled "Purification Of Carbon Dioxide") was filed by AIR Products And Chemicals on Jan 22, 2008. The application was issued on Sep 18, 2019.

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
LAIR LIQUIDE	Feb 14, 2017	MERCEY

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 22, 2019
Decision to maintain the European patent in amended form
Aug 22, 2019
Decision to maintain the European patent in amended form
Aug 19, 2019
Termination of the opposition proceedings with maintenance of patent
Aug 6, 2019
(Electronic) Receipt
Aug 6, 2019
Filing of the translation of the amended claims
Aug 6, 2019
French translation of claims
Aug 6, 2019
German translation of the claims
May 6, 2019
Communication of bibliographic data
May 6, 2019
Communication to opponent concerning maintenance
May 6, 2019
Communication with request to file translations
Apr 8, 2019
Maintenance of the patent with the documents specified in the final decision
Mar 28, 2019
Submission concerning representation
Jan 8, 2019
Advice of delivery
Jan 3, 2019
Advice of delivery
Dec 20, 2018
Advice of delivery
Dec 17, 2018
Acknowledgement of a document
Dec 17, 2018
Acknowledgement of a document
Dec 17, 2018
Annex to the communication - opposition
Dec 17, 2018
Decision of the Opposition Division and instruction
Dec 17, 2018
Druckexemplar in opposition procedure
Dec 17, 2018
Grounds for the decision (Annex) - opposition
Dec 17, 2018
Interlocutory decision in opposition proceedings
Dec 17, 2018
Internal form - Opposition/addressees
Dec 17, 2018
Internal form - Opposition/addressees
Dec 17, 2018
Means of redress
Dec 17, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 17, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 17, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 17, 2018
Provision of a copy of the minutes - opposition procedure
Dec 17, 2018
Scanned annex to a communication - opposition procedure
Dec 17, 2018
Scanned annex to a communication - opposition procedure
Oct 8, 2018
Information about the result of oral proceedings
Aug 14, 2018
Brief communication - Opposition proceedings
Aug 8, 2018
(Electronic) Receipt
Aug 8, 2018
Amended claims with annotations
Aug 8, 2018
Claims
Aug 8, 2018
Claims
Aug 8, 2018
Claims
Aug 8, 2018
Claims
Aug 8, 2018
Claims
Aug 8, 2018
Claims
Aug 8, 2018
Letter accompanying subsequently filed items
Aug 8, 2018
Written submission in preparation to/during oral proceedings
Aug 2, 2018
Brief communication - Opposition proceedings
Jul 30, 2018
(Electronic) Receipt
Jul 30, 2018
Letter accompanying subsequently filed items
Jul 30, 2018
Request for interpreters during oral proceedings
Jul 25, 2018
Brief communication - Opposition proceedings
Jul 19, 2018
(Electronic) Receipt
Jul 19, 2018
Request for interpreters during oral proceedings
Apr 16, 2018
Advice of delivery
Apr 16, 2018
Advice of delivery
Apr 12, 2018
Advice of delivery
Apr 6, 2018
Acknowledgement of a document
Apr 6, 2018
Acknowledgement of a document
Apr 6, 2018
Annex to the communication - opposition
Apr 6, 2018
Information concerning oral proceedings
Apr 6, 2018
Preparation for oral proceedings
Apr 6, 2018
Summons to attend oral proceedings
Apr 6, 2018
Summons to attend oral proceedings
Mar 6, 2018
Brief communication - Opposition proceedings
Feb 27, 2018
(Electronic) Receipt
Feb 27, 2018
Letter accompanying subsequently filed items
Feb 27, 2018
Non-patent literature cited during the opposition procedure
Feb 27, 2018
Reply from the opponent to submission of proprietor
Aug 3, 2017
Brief communication - Opposition proceedings
Jul 28, 2017
(Electronic) Receipt
Jul 28, 2017
Amended claims with annotations
Jul 28, 2017
Citation in opposition procedure
Jul 28, 2017
Citation in opposition procedure
Jul 28, 2017
Claims
Jul 28, 2017
Claims
Jul 28, 2017
Claims
Jul 28, 2017
Claims
Jul 28, 2017
Claims
Jul 28, 2017
Claims
Jul 28, 2017
Letter accompanying subsequently filed items
Jul 28, 2017
Reply of the patent proprietor to the notice(s) of opposition
Apr 5, 2017
Communication of a notice of opposition and request to file observations
Apr 5, 2017
Notice of further oppositions to opponent(s)
Feb 23, 2017
Communication of a notice of opposition - first information to patent proprietor
Feb 14, 2017
(Electronic) Receipt
Feb 14, 2017
Citation in opposition procedure
Feb 14, 2017
Citation in opposition procedure
Feb 14, 2017
Letter regarding the opposition procedure (no time limit)
Feb 14, 2017
Letter regarding the opposition procedure (no time limit)
Feb 14, 2017
Non-patent literature cited during the opposition procedure
Feb 14, 2017
Non-patent literature cited during the opposition procedure
Feb 14, 2017
Non-patent literature cited during the opposition procedure
Feb 14, 2017
Non-patent literature cited during the opposition procedure
Feb 14, 2017
Notice of opposition
Feb 14, 2017
Patent document cited during the opposition procedure
Feb 14, 2017
Patent document cited during the opposition procedure
Feb 14, 2017
Patent document cited during the opposition procedure
Feb 14, 2017
Patent document cited during the opposition procedure
Feb 14, 2017
Patent document cited during the opposition procedure
Feb 14, 2017
Patent document cited during the opposition procedure
Feb 14, 2017
Patent document cited during the opposition procedure
Feb 14, 2017
Patent document cited during the opposition procedure
Feb 14, 2017
Patent document cited during the opposition procedure
May 18, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 21, 2016
Decision to grant a European patent
Apr 8, 2016
(Electronic) Receipt
Apr 8, 2016
Filing of the translations of the claims
Apr 8, 2016
French translation of claims
Apr 8, 2016
German translation of the claims
Apr 8, 2016
Letter accompanying subsequently filed items
Feb 10, 2016
Bibliographic data of the European patent application
Feb 10, 2016
Communication about intention to grant a European patent
Feb 10, 2016
Intention to grant (signatures)
Feb 10, 2016
Text intended for grant (clean copy)
Feb 10, 2016
Text intended for grant (version for approval)
Mar 17, 2014
Communication of amended entries concerning the representative
Mar 7, 2014
Submission concerning change of applicant's representative
Jan 27, 2014
(Electronic) Receipt
Jan 27, 2014
Letter accompanying subsequently filed items
Jan 27, 2014
Reply to communication from the Examining Division
Oct 25, 2013
Annex to the communication
Oct 25, 2013
Communication from the Examining Division
Feb 22, 2012
Transmittal of third party observations to applicant
Feb 20, 2012
Acknowledgement of receipt of third party observations
Feb 14, 2012
(Electronic) Receipt
Feb 14, 2012
Letter accompanying subsequently filed items
Feb 14, 2012
Non-patent literature filed by a third party
Feb 14, 2012
Non-patent literature filed by a third party
Feb 14, 2012
Observations by third parties
Nov 22, 2011
(Electronic) Receipt
Nov 22, 2011
Letter accompanying subsequently filed items
Nov 22, 2011
Reply to communication from the Examining Division
Mar 28, 2011
(Electronic) Receipt
Mar 28, 2011
Amended claims with annotations
Mar 28, 2011
Amended description with annotations
Mar 28, 2011
Claims
Mar 28, 2011
Claims
Mar 28, 2011
Description
Mar 28, 2011
Letter accompanying subsequently filed items
Mar 28, 2011
Reply to communication from the Examining Division
Dec 9, 2010
Annex to the communication
Dec 9, 2010
Communication from the Examining Division
Apr 12, 2010
(Electronic) Receipt
Apr 12, 2010
Letter accompanying subsequently filed items
Apr 12, 2010
Reply to communication from the Examining Division
Oct 29, 2009
(Electronic) Receipt
Oct 29, 2009
Letter accompanying subsequently filed items
Oct 29, 2009
Patent document cited during the examination procedure
Oct 29, 2009
Reply to communication from the Examining Division
Aug 25, 2009
(Electronic) Receipt
Aug 25, 2009
Letter accompanying subsequently filed items
Aug 25, 2009
Reply to communication from the Examining Division
Nov 7, 2008
(Electronic) Receipt
Nov 7, 2008
Claims
Nov 7, 2008
Claims
Nov 7, 2008
Description
Nov 7, 2008
Description
Nov 7, 2008
Letter accompanying subsequently filed items
Nov 7, 2008
Reply to communication from the Examining Division
Sep 18, 2008
Communication from the Examining Division
Aug 11, 2008
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Jul 9, 2008
Notification of forthcoming publication
May 9, 2008
Communication regarding the transmission of the European search report
May 9, 2008
European search opinion
May 9, 2008
European search report
Apr 8, 2008
Confirmation of receipt of (electronically) transmitted priority document
Apr 3, 2008
Priority document (electronically transmitted)
Jan 22, 2008
Abstract
Jan 22, 2008
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jan 22, 2008
Claims
Jan 22, 2008
Description
Jan 22, 2008
Designation of inventor
Jan 22, 2008
Designation of inventor
Jan 22, 2008
Drawings
Jan 22, 2008
Request for grant of a European patent

EP1952874

AIR PRODUCTS AND CHEMICALS

Application Number: EP08100753A
Filing Date: Jan 22, 2008
Status: Patent Maintained As Amended; Aug 16, 2019
Publication Date: Sep 18, 2019
External Links: Slate, Register , Google Patents

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Purification Of Carbon Dioxide

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Dossier Documents

EP1952874