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Method For The Production Of Polyurethane Foam Using Emulsified Blowing Agent

Patent No. EP2879853 (titled "Method For The Production Of Polyurethane Foam Using Emulsified Blowing Agent") was filed by Bayer Materialscience on Jul 26, 2013. The application was issued on Jun 20, 2018.

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
THE DOW CHEMICAL	Mar 20, 2019	BECK GREENER

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 6, 2024
(Electronic) Receipt
May 6, 2024
Advice of delivery
Apr 30, 2024
Decision of the Board of Appeal
Apr 30, 2024
F3032 Notification(s) of the decision
Apr 30, 2024
F3032 Notification(s) of the decision
Feb 5, 2024
F3013 Oral Proceedings: Forwarding minutes
Feb 5, 2024
F3013 Oral Proceedings: Forwarding minutes
Feb 5, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 5, 2024
F3345 Forwarding of submissions to parties
Jan 4, 2024
(Electronic) Receipt
Jan 4, 2024
Letter accompanying subsequently filed items
Jan 4, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 22, 2023
F3345 Forwarding of submissions to parties
Dec 19, 2023
(Electronic) Receipt
Dec 19, 2023
Letter accompanying subsequently filed items
Dec 19, 2023
Letter dealing with oral proceedings during the appeal procedure
Dec 15, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 15, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 18, 2023
F3345 Forwarding of submissions to parties
Aug 18, 2023
Oral proceedings: change of venue
Aug 18, 2023
Oral proceedings: change of venue
Aug 15, 2023
(Electronic) Receipt
Aug 15, 2023
Letter accompanying subsequently filed items
Aug 15, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 26, 2023
F3345 Forwarding of submissions to parties
Jun 21, 2023
(Electronic) Receipt
Jun 21, 2023
Letter accompanying subsequently filed items
Jun 21, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 19, 2023
F3004 Communication of the Registry
Jun 19, 2023
F3004 Communication of the Registry
Jun 1, 2023
F3011.1 Oral Proceedings: summons
Jun 1, 2023
F3011.1 Oral Proceedings: summons
May 26, 2023
F3010 Oral proceedings: order for summons
Dec 7, 2022
F3345 Forwarding of submissions to parties
Dec 1, 2022
(Electronic) Receipt
Dec 1, 2022
Letter accompanying subsequently filed items
Dec 1, 2022
Letter relating to Appeal Procedure
Jul 22, 2022
Composition of the board (T)
Apr 19, 2022
F3056 Communication: Change of Board due to the technical nature of the appeal
Apr 19, 2022
F3056 Communication: Change of Board due to the technical nature of the appeal
Apr 12, 2022
F3313 Order: change of Board due to the technical aspects of the appeal
Apr 12, 2022
F3313 Order: change of Board due to the technical aspects of the appeal
Feb 24, 2022
F3345 Forwarding of submissions to parties
Feb 11, 2022
(Electronic) Receipt
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Amended claims with annotations
Feb 11, 2022
Auxiliary request during appeals procedure - 01
Feb 11, 2022
Auxiliary request during appeals procedure - 02
Feb 11, 2022
Auxiliary request during appeals procedure - 03
Feb 11, 2022
Auxiliary request during appeals procedure - 04
Feb 11, 2022
Auxiliary request during appeals procedure - 05
Feb 11, 2022
Auxiliary request during appeals procedure - 06
Feb 11, 2022
Auxiliary request during appeals procedure - 07
Feb 11, 2022
Auxiliary request during appeals procedure - 08
Feb 11, 2022
Auxiliary request during appeals procedure - 09
Feb 11, 2022
Auxiliary request during appeals procedure - 10
Feb 11, 2022
Auxiliary request during appeals procedure - 11
Feb 11, 2022
Auxiliary request during appeals procedure - 12
Feb 11, 2022
Auxiliary request during appeals procedure - 13
Feb 11, 2022
Auxiliary request during appeals procedure - 14
Feb 11, 2022
Auxiliary request during appeals procedure - 15
Feb 11, 2022
Letter accompanying subsequently filed items
Feb 11, 2022
Reply to appeal
Oct 4, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 29, 2021
(Electronic) Receipt
Sep 29, 2021
Letter accompanying subsequently filed items
Sep 29, 2021
Statement of grounds of appeal
Jul 26, 2021
F3204 Communication of the file number to the parties
Jul 26, 2021
F3204 Communication of the file number to the parties
Jul 19, 2021
(Electronic) Receipt
Jul 19, 2021
Letter accompanying subsequently filed items
Jul 19, 2021
Notice of appeal
Jun 1, 2021
(Electronic) Receipt
Jun 1, 2021
Advice of delivery
May 20, 2021
(Electronic) Receipt
May 20, 2021
Advice of delivery
May 20, 2021
Letter accompanying subsequently filed items
May 19, 2021
Annex to the communication - opposition
May 19, 2021
Decision of the Opposition Division and instruction
May 19, 2021
Decision rejecting the opposition
May 19, 2021
Grounds for the decision (Annex) - opposition
May 19, 2021
Internal form - Opposition/addressees
May 19, 2021
Internal form - Opposition/addressees
May 19, 2021
Means of redress
May 19, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 19, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 19, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 19, 2021
Provision of a copy of the minutes - opposition procedure
May 19, 2021
Transmittal of decision / summons - opposition
May 19, 2021
Transmittal of decision / summons - opposition
Apr 22, 2021
Information about the result of oral proceedings
Mar 31, 2021
Brief communication - Opposition proceedings
Mar 26, 2021
(Electronic) Receipt
Mar 26, 2021
Auxiliary request during Opposition procedure
Mar 26, 2021
Auxiliary request during Opposition procedure - 13
Mar 26, 2021
Brief communication - Opposition proceedings
Mar 26, 2021
Brief communication - Opposition proceedings
Mar 26, 2021
Citation in opposition procedure - 016
Mar 26, 2021
Citation in opposition procedure - 017
Mar 26, 2021
Consolidated list of cited opposition documents
Mar 26, 2021
Letter accompanying subsequently filed items
Mar 26, 2021
Written submission in preparation to/during oral proceedings
Mar 23, 2021
(Electronic) Receipt
Mar 23, 2021
Letter accompanying subsequently filed items
Mar 23, 2021
Result of consultation by telephone/in person
Mar 23, 2021
Written submission in preparation to/during oral proceedings
Mar 22, 2021
(Electronic) Receipt
Mar 22, 2021
Letter accompanying subsequently filed items
Mar 22, 2021
Written submission in preparation to/during oral proceedings
Feb 26, 2021
Brief communication - Opposition proceedings
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Citation in opposition procedure - 015
Feb 22, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
Written submission in preparation to/during oral proceedings
Jan 22, 2021
Notification concerning the date of oral proceedings
Jan 22, 2021
Notification concerning the date of oral proceedings
Oct 27, 2020
Communication of amended entries concerning the representative
Oct 20, 2020
(Electronic) Receipt
Oct 20, 2020
Letter accompanying subsequently filed items
Oct 20, 2020
Submission concerning change of proprietor's representative
Oct 8, 2020
Brief communication - Opposition proceedings
Oct 6, 2020
Communication confirming withdrawal from representation
Oct 6, 2020
Notification of termination of representative's authorisation
Oct 1, 2020
Submission concerning change of proprietor's representative
Sep 29, 2020
Submission concerning change of proprietor's representative
Sep 22, 2020
Advice of delivery
Sep 15, 2020
(Electronic) Receipt
Sep 15, 2020
Advice of delivery
Sep 15, 2020
Letter accompanying subsequently filed items
Sep 11, 2020
Acknowledgement of a document
Sep 11, 2020
Acknowledgement of a document
Sep 11, 2020
Annex to the communication - opposition
Sep 11, 2020
Information concerning oral proceedings
Sep 11, 2020
Summons to attend oral proceedings
Sep 11, 2020
Summons to attend oral proceedings
Aug 31, 2020
Oral proceedings: reply to date proposed
Aug 31, 2020
Oral proceedings: reply to date proposed
Aug 17, 2020
Notification concerning the date of oral proceedings
Aug 17, 2020
Notification concerning the date of oral proceedings
Aug 8, 2020
Oral proceedings: reply to date proposed
Jul 22, 2020
Brief communication - Opposition proceedings
Jul 22, 2020
Brief communication - Opposition proceedings
Jul 22, 2020
Brief communication - Opposition proceedings
Jul 21, 2020
Brief communication - Opposition proceedings
Jul 21, 2020
Request for documents
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Citation in opposition procedure - 012
Jul 16, 2020
Citation in opposition procedure - 013
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
Oral proceedings: reply to date proposed
Jul 16, 2020
Oral proceedings: reply to date proposed
Jul 15, 2020
(Electronic) Receipt
Jul 15, 2020
Citation in opposition procedure - 013
Jul 15, 2020
Citation in opposition procedure - 014
Jul 15, 2020
Letter accompanying subsequently filed items
Jul 15, 2020
Written submission in preparation to/during oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 7, 2020
Brief communication - Opposition proceedings
Jul 6, 2020
Brief communication - Opposition proceedings
Jul 1, 2020
(Electronic) Receipt
Jul 1, 2020
Letter accompanying subsequently filed items
Jul 1, 2020
Request for interpreters during oral 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
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
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
Auxiliary request during Opposition procedure - 06
Jun 30, 2020
Auxiliary request during Opposition procedure - 07
Jun 30, 2020
Auxiliary request during Opposition procedure - 08
Jun 30, 2020
Auxiliary request during Opposition procedure - 09
Jun 30, 2020
Auxiliary request during Opposition procedure - 10
Jun 30, 2020
Auxiliary request during Opposition procedure - 11
Jun 30, 2020
Auxiliary request during Opposition procedure - 12
Jun 30, 2020
Letter accompanying subsequently filed items
Jun 30, 2020
Written submission in preparation to/during oral proceedings
Jun 22, 2020
Communication concerning the filing of a power of attorney
Jun 22, 2020
Communication of amended entries concerning the representative
Jun 8, 2020
Submission concerning change of proprietor's representative
Jun 5, 2020
Submission concerning change of proprietor's representative
Dec 9, 2019
Advice of delivery
Dec 9, 2019
Advice of delivery
Dec 3, 2019
Acknowledgement of a document
Dec 3, 2019
Acknowledgement of a document
Dec 3, 2019
Annex to the communication - opposition
Dec 3, 2019
Information concerning oral proceedings
Dec 3, 2019
Summons to attend oral proceedings
Dec 3, 2019
Summons to attend oral proceedings
Aug 2, 2019
Brief communication - Opposition proceedings
Jul 29, 2019
(Electronic) Receipt
Jul 29, 2019
Any annexes (other than citation) to an opposition letter
Jul 29, 2019
Letter accompanying subsequently filed items
Jul 29, 2019
Reply of the patent proprietor to the notice(s) of opposition
Apr 12, 2019
Brief communication - Opposition proceedings
Apr 5, 2019
Communication of amended entries
Apr 1, 2019
Communication of a notice of opposition and request to file observations
Apr 1, 2019
Notice of further oppositions to opponent(s)
Mar 28, 2019
Request concerning representative opponent
Mar 26, 2019
Brief communication - Opposition proceedings
Mar 26, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 21, 2019
(Electronic) Receipt
Mar 21, 2019
Letter accompanying subsequently filed items
Mar 21, 2019
Letter regarding the opposition procedure (no time limit)
Mar 21, 2019
Notice of opposition
Mar 20, 2019
(Electronic) Receipt
Mar 20, 2019
Citation in opposition procedure - 001
Mar 20, 2019
Citation in opposition procedure - 002
Mar 20, 2019
Citation in opposition procedure - 003
Mar 20, 2019
Citation in opposition procedure - 004
Mar 20, 2019
Citation in opposition procedure - 005
Mar 20, 2019
Citation in opposition procedure - 006
Mar 20, 2019
Citation in opposition procedure - 007
Mar 20, 2019
Citation in opposition procedure - 008
Mar 20, 2019
Citation in opposition procedure - 009
Mar 20, 2019
Citation in opposition procedure - 010
Mar 20, 2019
Citation in opposition procedure - 010
Mar 20, 2019
Citation in opposition procedure - 011
Mar 20, 2019
Notice of opposition
Mar 20, 2019
Notice of opposition
Jul 2, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 25, 2018
Decision to grant a European patent
Mar 1, 2018
(Electronic) Receipt
Mar 1, 2018
Filing of the translations of the claims
Mar 1, 2018
French translation of claims
Mar 1, 2018
German translation of the claims
Mar 1, 2018
Letter accompanying subsequently filed items
Dec 6, 2017
Bibliographic data of the European patent application
Dec 6, 2017
Communication about intention to grant a European patent
Dec 6, 2017
Intention to grant (signatures)
Dec 6, 2017
Text intended for grant (clean copy)
Dec 6, 2017
Text intended for grant (version for approval)
Sep 27, 2017
(Electronic) Receipt
Sep 27, 2017
Amended claims with annotations
Sep 27, 2017
Amended description with annotations
Sep 27, 2017
Claims
Sep 27, 2017
Description
Sep 27, 2017
Letter accompanying subsequently filed items
Sep 27, 2017
Reply to communication from the Examining Division
Jun 2, 2017
Annex to the communication
Jun 2, 2017
Communication from the Examining Division
May 24, 2017
(Electronic) Receipt
May 24, 2017
Amended claims with annotations
May 24, 2017
Amended description with annotations
May 24, 2017
Claims
May 24, 2017
Description
May 24, 2017
Letter accompanying subsequently filed items
May 24, 2017
Reply to communication from the Examining Division
Jan 24, 2017
Annex to the communication
Jan 24, 2017
Communication from the Examining Division
Dec 23, 2016
(Electronic) Receipt
Dec 23, 2016
Amended claims with annotations
Dec 23, 2016
Annex
Dec 23, 2016
Claims
Dec 23, 2016
Letter accompanying subsequently filed items
Dec 23, 2016
Reply to communication from the Examining Division
Nov 2, 2016
Grant of extension of time limit (examination procedure)
Oct 26, 2016
(Electronic) Receipt
Oct 26, 2016
Request for extension of time limit to communication from the Examining Division
Oct 10, 2016
Submission concerning representation
Jun 20, 2016
Annex to the communication
Jun 20, 2016
Communication from the Examining Division
Jun 14, 2016
Examination started
Sep 25, 2015
Communication of amended entries concerning the representative
Sep 25, 2015
Communication of the registration of a transfer or change of name and/or address
Sep 21, 2015
(Electronic) Receipt
Sep 21, 2015
Amended claims filed after receipt of (European) search report
Sep 21, 2015
Amended claims with annotations
Sep 21, 2015
Amendments received before examination
Sep 21, 2015
Letter accompanying subsequently filed items
Sep 17, 2015
Letter relating to the automatic debiting procedure
Sep 11, 2015
Submission concerning change of applicant's name
Aug 31, 2015
Confirmation of revocation of automatic debit order
Aug 17, 2015
Letter relating to the automatic debiting procedure
Jul 3, 2015
Communication to designated inventor
Jun 26, 2015
(Electronic) Receipt
Jun 26, 2015
Letter accompanying subsequently filed items
Jun 26, 2015
Letter concerning the inventor
Jun 18, 2015
Invitation to indicate correct address of inventor
Jun 15, 2015
Letter which had not been notified
Jun 11, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 19, 2015
Communication to designated inventor
May 19, 2015
Communication to designated inventor
May 13, 2015
Notification on forthcoming publication of bibliographic data
May 11, 2015
(Electronic) Receipt
May 11, 2015
(Electronic) Receipt
May 11, 2015
Letter accompanying subsequently filed items
May 11, 2015
Letter accompanying subsequently filed items
May 11, 2015
Letter concerning the inventor
May 11, 2015
Letter concerning the inventor
Apr 24, 2015
Invitation to indicate correct address of inventor
Apr 20, 2015
Letter which had not been notified
Apr 15, 2015
Invitation to indicate correct address of inventor
Apr 8, 2015
Letter which had not been notified
Mar 12, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Mar 10, 2015
Communication to designated inventor
Mar 10, 2015
Communication to designated inventor
Mar 10, 2015
Communication to designated inventor
Mar 10, 2015
Communication to designated inventor
Mar 10, 2015
Communication to designated inventor
Mar 10, 2015
Communication to designated inventor
Mar 10, 2015
Communication to designated inventor
Mar 10, 2015
Communication to designated inventor
Feb 16, 2015
Copy of the international preliminary report on patentability
Jan 8, 2015
(Electronic) Receipt
Jan 8, 2015
Request for entry into the European phase
Dec 10, 2014
Information on entry into European phase
Feb 25, 2014
Priority document (electronically transmitted)
Feb 6, 2014
Copy of the international search report
Feb 6, 2014
Published international application - A1
Oct 22, 2013
Written opinion of the ISA, boxes No. I to VIII
Oct 22, 2013
Written opinion of the ISA, cover sheet
Oct 22, 2013
Written opinion of the ISA, supplemental box
Jul 26, 2013
(Electronic) Receipt
Jul 26, 2013
Abstract
Jul 26, 2013
Claims
Jul 26, 2013
Description
Jul 26, 2013
Drawings

EP2879853

BAYER MATERIALSCIENCE

Application Number: EP13742626A
Filing Date: Jul 26, 2013
Status: Revoked; Apr 30, 2024
Publication Date: Jun 20, 2018
External Links: Slate, Register , Google Patents