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Process For Producing Hydroxyalkyltriethylenediamine Compound, And Catalyst Composition For The Production Of Polyurethane Resin Using The Hydroxyalkyltriethylenediamine Compound

Patent No. EP2295438 (titled "Process For Producing Hydroxyalkyltriethylenediamine Compound, And Catalyst Composition For The Production Of Polyurethane Resin Using The Hydroxyalkyltriethylenediamine Compound") was filed by Tosoh on May 29, 2009. The application was issued on Mar 26, 2025.

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
AIR PRODUCTS AND CHEMICALS	Dec 9, 2015	SOMMER

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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Feb 27, 2025
Decision to maintain the European patent in amended form
Feb 27, 2025
Decision to maintain the European patent in amended form
Jul 5, 2024
(Electronic) Receipt
Jul 5, 2024
Filing of the translation of the amended claims
Jul 5, 2024
French translation of claims
Jul 5, 2024
German translation of the claims
Jul 5, 2024
Letter accompanying subsequently filed items
Apr 12, 2024
Communication of bibliographic data
Apr 12, 2024
Communication to opponent concerning maintenance
Apr 12, 2024
Communication with request to file translations
Apr 5, 2024
Maintenance of the patent with the documents specified in the final decision
Jan 8, 2024
Advice of delivery
Jan 3, 2024
Decision of the Opposition Division and instruction
Jan 3, 2024
Druckexemplar in opposition procedure
Jan 3, 2024
Grounds for the decision (Annex) - opposition
Jan 3, 2024
Interlocutory decision in opposition proceedings
Jan 3, 2024
Interlocutory decision in opposition proceedings
Jan 3, 2024
Means of redress
Jan 3, 2024
Transmittal of decision / summons - opposition
Jan 3, 2024
Transmittal of decision / summons - opposition
Jul 10, 2023
Brief communication - Opposition proceedings
Jul 10, 2023
Brief communication - Opposition proceedings
Jul 10, 2023
Communication inviting the parties to file observations
Jul 10, 2023
Communication inviting the parties to file observations
Jul 3, 2023
(Electronic) Receipt
Jul 3, 2023
General enquiry
Jul 3, 2023
Letter accompanying subsequently filed items
Jan 19, 2023
Brief communication - Opposition proceedings
Jan 16, 2023
(Electronic) Receipt
Jan 16, 2023
Amended description with annotations
Jan 16, 2023
Description
Jan 16, 2023
Letter accompanying subsequently filed items
Jan 16, 2023
Reply to an examination report in opposition proceedings
Sep 15, 2022
Annex to the communication - opposition
Sep 15, 2022
Brief communication - Opposition proceedings
Sep 15, 2022
Brief communication - Opposition proceedings
Sep 15, 2022
Communication inviting the parties to file observations
Sep 15, 2022
Communication inviting the parties to file observations
Jul 21, 2022
Advice of delivery
Jun 23, 2022
F3032 Notification(s) of the decision
Jun 23, 2022
F3032 Notification(s) of the decision
Jun 20, 2022
Decision of the Board of Appeal
Mar 22, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 22, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 16, 2022
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 11, 2022
Consolidated list of documents cited in appeal procedure
Mar 11, 2022
F3345 Forwarding of submissions to parties
Mar 10, 2022
(Electronic) Receipt
Mar 10, 2022
Citation in appeal procedure - 026
Mar 10, 2022
Citation in appeal procedure - 027
Mar 10, 2022
Letter dealing with oral proceedings during the appeal procedure
Mar 10, 2022
Notice of opposition
Mar 10, 2022
Written submission in preparation to/during oral proceedings
Feb 28, 2022
F3345 Forwarding of submissions to parties
Feb 22, 2022
(Electronic) Receipt
Feb 22, 2022
Letter accompanying subsequently filed items
Feb 22, 2022
Letter dealing with oral proceedings during the appeal procedure
Feb 21, 2022
F3011.2 Oral Proceedings: Summons VICO
Feb 21, 2022
F3011.2 Oral Proceedings: Summons VICO
Feb 16, 2022
F3010 Oral proceedings: order for summons
Feb 16, 2022
Fax relating to Appeal procedure
Feb 15, 2022
(Electronic) Receipt
Feb 15, 2022
Letter relating to Appeal Procedure
Feb 15, 2022
Letter relating to Appeal Procedure
Feb 15, 2022
Written submission in preparation to/during oral proceedings
Nov 24, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Nov 24, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Nov 19, 2021
(Electronic) Receipt
Nov 19, 2021
F3014 Oral Proceedings: Order cancelling/postponing
Nov 19, 2021
Fax relating to Appeal procedure
Nov 19, 2021
Written submission in preparation to/during oral proceedings
Oct 5, 2021
F3345 Forwarding of submissions to parties
Oct 4, 2021
Advice of delivery
Sep 29, 2021
(Electronic) Receipt
Sep 29, 2021
Citation in appeal procedure - 025
Sep 29, 2021
Letter accompanying subsequently filed items
Sep 29, 2021
Letter dealing with oral proceedings during the appeal procedure
Sep 23, 2021
(Electronic) Receipt
Sep 23, 2021
Letter accompanying subsequently filed items
Sep 20, 2021
Oral proceedings: change of venue
Sep 20, 2021
Oral proceedings: change of venue
Sep 16, 2021
F3936 Acknowledgement of receipt Board of Appeal
Aug 20, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 20, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 19, 2021
F3345 Forwarding of submissions to parties
Jan 14, 2021
(Electronic) Receipt
Jan 14, 2021
Annexes (other than cited documents) regarding appeal procedure
Jan 14, 2021
Letter accompanying subsequently filed items
Jan 14, 2021
Letter relating to Appeal Procedure
Dec 2, 2020
Fax relating to Appeal procedure
Dec 1, 2020
F3345 Forwarding of submissions to parties
Dec 1, 2020
Letter dealing with oral proceedings
Nov 27, 2020
Acknowledgement of a document
Nov 27, 2020
Acknowledgement of a document
Nov 27, 2020
F3011.1 Oral Proceedings: summons
Nov 27, 2020
F3011.1 Oral Proceedings: summons
Nov 25, 2020
(Electronic) Receipt
Nov 25, 2020
Citation in appeal procedure - 023
Nov 25, 2020
Citation in appeal procedure - 024
Nov 25, 2020
Letter regarding the opposition procedure (no time limit)
Nov 25, 2020
Letter relating to Appeal Procedure
Nov 25, 2020
Letter relating to Appeal Procedure
Nov 25, 2020
Reply from the opponent to submission of proprietor
Nov 24, 2020
F3010 Oral proceedings: order for summons
Nov 15, 2018
Composition of the board (T)
Nov 15, 2018
F3345 Forwarding of submissions to parties
Nov 7, 2018
(Electronic) Receipt
Nov 7, 2018
Letter accompanying subsequently filed items
Nov 7, 2018
Letter relating to Appeal Procedure
Oct 16, 2018
F3345 Forwarding of submissions to parties
Oct 11, 2018
(Electronic) Receipt
Oct 11, 2018
Citation in appeal procedure - 022
Oct 11, 2018
Letter regarding the opposition procedure (no time limit)
Oct 11, 2018
Letter relating to Appeal Procedure
Aug 9, 2018
F3345 Forwarding of submissions to parties
Aug 6, 2018
(Electronic) Receipt
Aug 6, 2018
Letter accompanying subsequently filed items
Aug 6, 2018
Letter relating to Appeal Procedure
Aug 6, 2018
Request concerning representative opponent
Jul 17, 2018
F3345 Forwarding of submissions to parties
Jul 12, 2018
Fax relating to Appeal procedure
Jul 10, 2018
F3345 Forwarding of submissions to parties
Jul 4, 2018
(Electronic) Receipt
Jul 4, 2018
Citation in appeal procedure - 021
Jul 4, 2018
Letter accompanying subsequently filed items
Jul 4, 2018
Letter relating to Appeal Procedure
May 23, 2018
F3345 Forwarding of submissions to parties
May 16, 2018
(Electronic) Receipt
May 16, 2018
Claims
May 16, 2018
Claims
May 16, 2018
Claims
May 16, 2018
Claims
May 16, 2018
Claims
May 16, 2018
Claims
May 16, 2018
Letter accompanying subsequently filed items
May 16, 2018
Letter relating to Appeal Procedure
Dec 4, 2017
F3040 Term extension: Yes/No
Dec 4, 2017
F3040 Term extension: Yes/No
Nov 29, 2017
(Electronic) Receipt
Nov 29, 2017
Letter accompanying subsequently filed items
Nov 29, 2017
Request for extension of time limit
Nov 17, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 13, 2017
(Electronic) Receipt
Nov 13, 2017
Citation in appeal procedure - 016
Nov 13, 2017
Citation in appeal procedure - 017
Nov 13, 2017
Citation in appeal procedure - 018
Nov 13, 2017
Citation in appeal procedure - 019
Nov 13, 2017
Citation in appeal procedure - 020
Nov 13, 2017
Letter accompanying subsequently filed items
Nov 13, 2017
Statement of grounds of appeal
Oct 13, 2017
F3204 Communication of the file number to the parties
Oct 13, 2017
F3204 Communication of the file number to the parties
Oct 3, 2017
Processing of an appeal
Oct 2, 2017
(Electronic) Receipt
Oct 2, 2017
Letter accompanying subsequently filed items
Oct 2, 2017
Notice of appeal
Aug 22, 2017
Annex to the communication - opposition
Aug 22, 2017
Internal form - Opposition/addressees
Aug 22, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 22, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 22, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 22, 2017
Provision of a copy of the minutes - opposition procedure
Aug 22, 2017
Provision of a copy of the minutes - opposition procedure
Aug 10, 2017
Advice of delivery
Aug 9, 2017
Advice of delivery
Aug 8, 2017
Brief communication - Opposition proceedings
Aug 2, 2017
(Electronic) Receipt
Aug 2, 2017
Letter accompanying subsequently filed items
Aug 2, 2017
Letter regarding the opposition procedure (no time limit)
Aug 1, 2017
Advice of delivery
Jul 27, 2017
Advice of delivery
Jul 24, 2017
Acknowledgement of a document
Jul 24, 2017
Acknowledgement of a document
Jul 24, 2017
Annex to the communication - opposition
Jul 24, 2017
Decision of the Opposition Division and instruction
Jul 24, 2017
Grounds for the decision (Annex) - opposition
Jul 24, 2017
Interlocutory decision in opposition proceedings
Jul 24, 2017
Internal form - Opposition/addressees
Jul 24, 2017
Internal form - Opposition/addressees
Jul 24, 2017
Means of redress
Jul 24, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 24, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 24, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 24, 2017
OPPODREX with handwritten amendments
Jul 24, 2017
Provision of a copy of the minutes - opposition procedure
Jul 24, 2017
Scanned annex to a communication - opposition procedure
Jul 24, 2017
Scanned annex to a communication - opposition procedure
Jul 3, 2017
Information about the result of oral proceedings
Jun 6, 2017
Brief communication - Opposition proceedings
May 31, 2017
(Electronic) Receipt
May 31, 2017
Letter accompanying subsequently filed items
May 31, 2017
Request for interpreters during oral proceedings
May 31, 2017
Result of consultation by telephone/in person
May 31, 2017
Result of consultation by telephone/in person
May 10, 2017
Brief communication - Opposition proceedings
May 3, 2017
(Electronic) Receipt
May 3, 2017
Citation in opposition procedure
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Claims
May 3, 2017
Letter accompanying subsequently filed items
May 3, 2017
Letter regarding the opposition procedure (no time limit)
May 2, 2017
(Electronic) Receipt
May 2, 2017
Letter accompanying subsequently filed items
May 2, 2017
Request for interpreters during oral proceedings
Apr 6, 2017
Brief communication - Opposition proceedings
Apr 3, 2017
(Electronic) Receipt
Apr 3, 2017
Letter accompanying subsequently filed items
Apr 3, 2017
Request for interpreters during oral proceedings
Dec 30, 2016
Advice of delivery
Dec 23, 2016
Advice of delivery
Dec 22, 2016
Advice of delivery
Dec 15, 2016
Advice of delivery
Dec 12, 2016
Acknowledgement of a document
Dec 12, 2016
Acknowledgement of a document
Dec 12, 2016
Annex to the communication - opposition
Dec 12, 2016
Brief communication - Opposition proceedings
Dec 12, 2016
Information concerning oral proceedings
Dec 12, 2016
Preparation for oral proceedings
Dec 12, 2016
Summons to attend oral proceedings
Dec 12, 2016
Summons to attend oral proceedings
Dec 6, 2016
(Electronic) Receipt
Dec 6, 2016
Citation in opposition procedure
Dec 6, 2016
Letter accompanying subsequently filed items
Dec 6, 2016
Patent document cited during the opposition procedure
Dec 6, 2016
Result of consultation by telephone/in person
Oct 5, 2016
Brief communication - Opposition proceedings
Sep 29, 2016
(Electronic) Receipt
Sep 29, 2016
Letter accompanying subsequently filed items
Sep 29, 2016
Letter regarding the opposition procedure (no time limit)
Aug 12, 2016
Brief communication - Opposition proceedings
Jul 29, 2016
(Electronic) Receipt
Jul 29, 2016
Amended claims with annotations
Jul 29, 2016
Claims
Jul 29, 2016
Letter regarding the opposition procedure (no time limit)
Jul 29, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jun 7, 2016
Brief communication - Opposition proceedings
Jun 7, 2016
Grant of extension of time limit (opposition procedure)
May 26, 2016
(Electronic) Receipt
May 26, 2016
Letter regarding the opposition procedure (no time limit)
May 26, 2016
Request for extension of time limit
Jan 26, 2016
Communication of a notice of opposition and request to file observations
Jan 26, 2016
Notice of further oppositions to opponent(s)
Jan 21, 2016
Communication of amended entries concerning the representative
Jan 13, 2016
Submission concerning change of applicant's representative
Jan 7, 2016
Submission concerning change of applicant's representative
Dec 18, 2015
Communication of a notice of opposition - first information to patent proprietor
Dec 9, 2015
(Electronic) Receipt
Dec 9, 2015
Any annexes (other than citation) to an opposition letter
Dec 9, 2015
Any annexes (other than citation) to an opposition letter
Dec 9, 2015
Any annexes (other than citation) to an opposition letter
Dec 9, 2015
Non-patent literature cited during the opposition procedure
Dec 9, 2015
Non-patent literature cited during the opposition procedure
Dec 9, 2015
Notice of opposition
Dec 9, 2015
Notice of opposition
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Dec 9, 2015
Patent document cited during the opposition procedure
Mar 18, 2015
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 19, 2015
Decision to grant a European patent
Feb 2, 2015
(Electronic) Receipt
Feb 2, 2015
Filing of the translations of the claims
Feb 2, 2015
French translation of claims
Feb 2, 2015
German translation of the claims
Feb 2, 2015
Letter accompanying subsequently filed items
Nov 24, 2014
Bibliographic data of the European patent application
Nov 24, 2014
Communication about intention to grant a European patent
Nov 24, 2014
Intention to grant (signatures)
Nov 24, 2014
Text intended for grant
May 21, 2014
(Electronic) Receipt
May 21, 2014
Amended claims with annotations
May 21, 2014
Amended description with annotations
May 21, 2014
Claims
May 21, 2014
Description
May 21, 2014
Letter accompanying subsequently filed items
May 21, 2014
Reply to communication from the Examining Division
Feb 18, 2014
Annex to the communication
Feb 18, 2014
Communication from the Examining Division
Feb 12, 2014
Examination started
Nov 8, 2013
Enquiry as to when a communication from the Examining Division can be expected
Nov 8, 2012
Amended claims filed after receipt of (European) search report
Nov 8, 2012
Amendments received before examination
Nov 5, 2012
Amended claims filed after receipt of (European) search report
Nov 5, 2012
Amendments received before examination
Jun 4, 2012
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 16, 2012
Communication regarding the transmission of the European search report
May 16, 2012
European search opinion
May 16, 2012
Supplementary European search report
May 11, 2011
Submission concerning representation
Apr 6, 2011
Translation of the international preliminary report on patentability
Feb 16, 2011
Notification of forthcoming publication
Jan 7, 2011
Communication regarding possible amendment of the application/payment of claims fee
Dec 17, 2010
Copy of the international preliminary report on patentability
Nov 30, 2010
(Electronic) Receipt
Nov 30, 2010
Abstract
Nov 30, 2010
Amended claims filed after receipt of (European) search report
Nov 30, 2010
Amended description filed after receipt of (European) search report
Nov 30, 2010
Claims
Nov 30, 2010
Description
Nov 30, 2010
Request for entry into the European phase
Oct 8, 2010
Information on entry into European phase
Dec 23, 2009
Priority document (electronically transmitted)
Dec 23, 2009
Priority document (electronically transmitted)
Dec 23, 2009
Priority document (electronically transmitted)
Dec 23, 2009
Priority document (electronically transmitted)
Dec 23, 2009
Priority document (electronically transmitted)
Dec 23, 2009
Priority document (electronically transmitted)
Dec 23, 2009
Priority document (electronically transmitted)
Dec 23, 2009
Priority document (electronically transmitted)
Dec 3, 2009
Copy of the international search report
Dec 3, 2009
Copy of the translated international search report
Dec 3, 2009
International publication pamphlet

EP2295438

TOSOH

Application Number: EP09754828A
Filing Date: May 29, 2009
Status: Patent Maintained As Amended; Feb 21, 2025
Publication Date: Mar 26, 2025
External Links: Slate, Register , Google Patents