Stabilization Of A Hydroformylation Process

Patent No. EP1776328 (titled "Stabilization Of A Hydroformylation Process") was filed by DOW Technology Investments on Jul 19, 2005. The application was issued on Mar 26, 2025.

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
EVONIK OPERATIONS	Jan 18, 2019	EISENFUHR SPEISER
OQ CHEMICALS	Jan 17, 2019	MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB

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
Feb 27, 2025
Decision to maintain the European patent in amended form
May 1, 2024
(Electronic) Receipt
May 1, 2024
Filing of the translation of the amended claims
May 1, 2024
French translation of claims
May 1, 2024
German translation of the claims
May 1, 2024
Letter accompanying subsequently filed items
Mar 15, 2024
Communication of bibliographic data
Mar 15, 2024
Communication to opponent concerning maintenance
Mar 15, 2024
Communication with request to file translations
Mar 13, 2024
Maintenance of the patent with the documents specified in the final decision
Mar 6, 2024
Refund of fees
Mar 5, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 5, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 5, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 5, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 5, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 5, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 29, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Feb 27, 2024
(Electronic) Receipt
Feb 27, 2024
Letter accompanying subsequently filed items
Feb 27, 2024
Withdrawal of an appeal
Nov 29, 2023
F3345 Forwarding of submissions to parties
Nov 29, 2023
F3345 Forwarding of submissions to parties
Nov 23, 2023
(Electronic) Receipt
Nov 23, 2023
Letter accompanying subsequently filed items
Nov 23, 2023
Letter dealing with oral proceedings during the appeal procedure
Nov 9, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 9, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 9, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 7, 2023
F3345 Forwarding of submissions to parties
Nov 7, 2023
F3345 Forwarding of submissions to parties
Nov 2, 2023
(Electronic) Receipt
Nov 2, 2023
Letter accompanying subsequently filed items
Nov 2, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 24, 2023
Oral proceedings: change of venue
Oct 24, 2023
Oral proceedings: change of venue
Oct 24, 2023
Oral proceedings: change of venue
Oct 23, 2023
F3345 Forwarding of submissions to parties
Oct 23, 2023
F3345 Forwarding of submissions to parties
Oct 18, 2023
(Electronic) Receipt
Oct 18, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 18, 2023
Written submission in preparation to/during oral proceedings
Aug 25, 2023
F3345 Forwarding of submissions to parties
Aug 25, 2023
F3345 Forwarding of submissions to parties
Aug 23, 2023
(Electronic) Receipt
Aug 23, 2023
Letter accompanying subsequently filed items
Aug 23, 2023
Letter dealing with oral proceedings during the appeal procedure
Aug 22, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 22, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 22, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 27, 2023
F3345 Forwarding of submissions to parties
Jul 27, 2023
F3345 Forwarding of submissions to parties
Jul 24, 2023
(Electronic) Receipt
Jul 24, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 24, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 24, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 24, 2023
Letter accompanying subsequently filed items
Jul 24, 2023
Letter dealing with oral proceedings during the appeal procedure
Jul 19, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Jul 19, 2023
F3345 Forwarding of submissions to parties
Jul 19, 2023
F3345 Forwarding of submissions to parties
Jul 14, 2023
(Electronic) Receipt
Jul 14, 2023
Annexes (other than cited documents) regarding appeal procedure
Jul 14, 2023
Letter accompanying subsequently filed items
Jul 14, 2023
Oral proceedings: Request for postponement
Jul 13, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 13, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 13, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 10, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Jul 4, 2023
F3345 Forwarding of submissions to parties
Jul 4, 2023
F3345 Forwarding of submissions to parties
Jun 29, 2023
(Electronic) Receipt
Jun 29, 2023
Annexes (other than cited documents) regarding appeal procedure
Jun 29, 2023
Annexes (other than cited documents) regarding appeal procedure
Jun 29, 2023
Letter accompanying subsequently filed items
Jun 29, 2023
Oral proceedings: Request for postponement
Jun 16, 2023
F3011.1 Oral Proceedings: summons
Jun 16, 2023
F3011.1 Oral Proceedings: summons
Jun 16, 2023
F3011.1 Oral Proceedings: summons
Jun 13, 2023
F3010 Oral proceedings: order for summons
Nov 16, 2022
Composition of the board (T)
Oct 18, 2022
F3345 Forwarding of submissions to parties
Oct 18, 2022
F3345 Forwarding of submissions to parties
Oct 13, 2022
(Electronic) Receipt
Oct 13, 2022
Letter accompanying subsequently filed items
Oct 13, 2022
Letter relating to Appeal Procedure
Mar 3, 2022
F3345 Forwarding of submissions to parties
Mar 3, 2022
F3345 Forwarding of submissions to parties
Feb 28, 2022
(Electronic) Receipt
Feb 28, 2022
Amended claims with annotations
Feb 28, 2022
Amended claims with annotations
Feb 28, 2022
Amended claims with annotations
Feb 28, 2022
Auxiliary request during appeals procedure - 01
Feb 28, 2022
Auxiliary request during appeals procedure - 02
Feb 28, 2022
Auxiliary request during appeals procedure - 03
Feb 28, 2022
Auxiliary request during appeals procedure - 04
Feb 28, 2022
Auxiliary request during appeals procedure - 05
Feb 28, 2022
Auxiliary request during appeals procedure - 06
Feb 28, 2022
Auxiliary request during appeals procedure - 07
Feb 28, 2022
Letter regarding the opposition procedure (no time limit)
Feb 28, 2022
Reply to appeal
Oct 22, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 22, 2021
F3345 Forwarding of submissions to parties
Oct 19, 2021
(Electronic) Receipt
Oct 19, 2021
Annexes (other than cited documents) regarding appeal procedure
Oct 19, 2021
Letter accompanying subsequently filed items
Oct 19, 2021
Statement of grounds of appeal
Aug 18, 2021
F3204 Communication of the file number to the parties
Aug 18, 2021
F3204 Communication of the file number to the parties
Aug 18, 2021
F3204 Communication of the file number to the parties
Aug 11, 2021
(Electronic) Receipt
Aug 11, 2021
Letter accompanying subsequently filed items
Aug 11, 2021
Notice of appeal
Jun 22, 2021
Advice of delivery
Jun 14, 2021
Advice of delivery
Jun 11, 2021
Advice of delivery
Jun 9, 2021
Annex to the communication - opposition
Jun 9, 2021
Decision of the Opposition Division and instruction
Jun 9, 2021
Druckexemplar in opposition procedure
Jun 9, 2021
Grounds for the decision (Annex) - opposition
Jun 9, 2021
Interlocutory decision in opposition proceedings
Jun 9, 2021
Internal form - Opposition/addressees
Jun 9, 2021
Internal form - Opposition/addressees
Jun 9, 2021
Means of redress
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 9, 2021
Provision of a copy of the minutes - opposition procedure
Jun 9, 2021
Transmittal of decision / summons - opposition
Jun 9, 2021
Transmittal of decision / summons - opposition
Jun 9, 2021
Transmittal of decision / summons - opposition
May 11, 2021
Information about the result of oral proceedings
Mar 30, 2021
(Electronic) Receipt
Mar 30, 2021
Letter accompanying subsequently filed items
Mar 16, 2021
Brief communication - Opposition proceedings
Mar 16, 2021
Brief communication - Opposition proceedings
Mar 16, 2021
Brief communication - Opposition proceedings
Mar 16, 2021
Brief communication - Opposition proceedings
Mar 11, 2021
(Electronic) Receipt
Mar 11, 2021
(Electronic) Receipt
Mar 11, 2021
Citation in opposition procedure - 021
Mar 11, 2021
Consolidated list of cited opposition documents
Mar 11, 2021
Letter accompanying subsequently filed items
Mar 11, 2021
Letter accompanying subsequently filed items
Mar 11, 2021
Written submission in preparation to/during oral proceedings
Mar 11, 2021
Written submission in preparation to/during oral proceedings
Mar 8, 2021
Brief communication - Opposition proceedings
Mar 8, 2021
Brief communication - Opposition proceedings
Mar 3, 2021
(Electronic) Receipt
Mar 3, 2021
Any annexes (other than citation) to an opposition letter
Mar 3, 2021
Letter accompanying subsequently filed items
Mar 3, 2021
Written submission in preparation to/during oral proceedings
Jan 28, 2021
Brief communication - Opposition proceedings
Jan 28, 2021
Brief communication - Opposition proceedings
Jan 26, 2021
Notification concerning the date of oral proceedings
Jan 26, 2021
Notification concerning the date of oral proceedings
Jan 26, 2021
Notification concerning the date of oral proceedings
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
Letter accompanying subsequently filed items
Jan 25, 2021
Written submission in preparation to/during oral proceedings
Nov 17, 2020
Brief communication - Opposition proceedings
Nov 17, 2020
Brief communication - Opposition proceedings
Nov 16, 2020
Communication of amended entries
Nov 10, 2020
(Electronic) Receipt
Nov 10, 2020
Annexes in respect of a client data request
Nov 10, 2020
General authorisation
Nov 10, 2020
Letter accompanying subsequently filed items
Nov 10, 2020
Request for change of name -opponent
Oct 13, 2020
Advice of delivery
Oct 12, 2020
Advice of delivery
Oct 7, 2020
Advice of delivery
Oct 5, 2020
Acknowledgement of a document
Oct 5, 2020
Acknowledgement of a document
Oct 5, 2020
Acknowledgement of a document
Oct 5, 2020
Information concerning oral proceedings
Oct 5, 2020
Summons to attend oral proceedings
Oct 5, 2020
Summons to attend oral proceedings
Oct 5, 2020
Summons to attend oral proceedings
Sep 17, 2020
Brief communication - Opposition proceedings
Sep 17, 2020
Brief communication - Opposition proceedings
Sep 17, 2020
Brief communication - Opposition proceedings
Sep 14, 2020
(Electronic) Receipt
Sep 14, 2020
Letter accompanying subsequently filed items
Sep 14, 2020
Notification concerning the date of oral proceedings
Sep 14, 2020
Notification concerning the date of oral proceedings
Sep 14, 2020
Notification concerning the date of oral proceedings
Sep 14, 2020
Oral proceedings: reply to date proposed
Sep 11, 2020
(Electronic) Receipt
Sep 11, 2020
Letter accompanying subsequently filed items
Sep 11, 2020
Oral proceedings: reply to date proposed
Sep 9, 2020
(Electronic) Receipt
Sep 9, 2020
Letter accompanying subsequently filed items
Sep 9, 2020
Oral proceedings: reply to date proposed
Sep 2, 2020
Notification concerning the date of oral proceedings
Sep 2, 2020
Notification concerning the date of oral proceedings
Sep 2, 2020
Notification concerning the date of oral proceedings
Jul 24, 2020
Notification concerning the date of oral proceedings
Jul 24, 2020
Notification concerning the date of oral proceedings
Jul 24, 2020
Notification concerning the date of oral proceedings
Jun 15, 2020
Advice of delivery
Jun 12, 2020
Advice of delivery
Jun 8, 2020
Advice of delivery
Jun 4, 2020
Acknowledgement of a document
Jun 4, 2020
Acknowledgement of a document
Jun 4, 2020
Acknowledgement of a document
Jun 4, 2020
Annex to the communication - opposition
Jun 4, 2020
Information concerning oral proceedings
Jun 4, 2020
Summons to attend oral proceedings
Jun 4, 2020
Summons to attend oral proceedings
Jun 4, 2020
Summons to attend oral proceedings
Jun 3, 2020
Brief communication - Opposition proceedings
Jun 3, 2020
Brief communication - Opposition proceedings
May 27, 2020
(Electronic) Receipt
May 27, 2020
Citation in opposition procedure - 006
May 27, 2020
Letter accompanying subsequently filed items
May 27, 2020
Written submission in preparation to/during oral proceedings
Apr 21, 2020
Brief communication - Opposition proceedings
Apr 21, 2020
Brief communication - Opposition proceedings
Apr 17, 2020
Notification concerning the date of oral proceedings
Apr 17, 2020
Notification concerning the date of oral proceedings
Apr 17, 2020
Notification concerning the date of oral proceedings
Apr 14, 2020
(Electronic) Receipt
Apr 14, 2020
Auxiliary request during Opposition procedure
Apr 14, 2020
Auxiliary request during Opposition procedure
Apr 14, 2020
Auxiliary request during Opposition procedure
Apr 14, 2020
Auxiliary request during Opposition procedure
Apr 14, 2020
Letter accompanying subsequently filed items
Apr 14, 2020
Written submission in preparation to/during oral proceedings
Mar 25, 2020
Notification concerning the date of oral proceedings
Mar 25, 2020
Notification concerning the date of oral proceedings
Mar 25, 2020
Notification concerning the date of oral proceedings
Mar 20, 2020
Brief communication - Opposition proceedings
Mar 20, 2020
Brief communication - Opposition proceedings
Mar 17, 2020
(Electronic) Receipt
Mar 17, 2020
Letter accompanying subsequently filed items
Mar 17, 2020
Oral proceedings: Request for postponement
Feb 20, 2020
Brief communication - Opposition proceedings
Feb 20, 2020
Brief communication - Opposition proceedings
Feb 20, 2020
Brief communication - Opposition proceedings
Feb 20, 2020
Brief communication - Opposition proceedings
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
Any annexes (other than citation) to an opposition letter
Feb 17, 2020
Auxiliary request during Opposition procedure - 01
Feb 17, 2020
Auxiliary request during Opposition procedure - 02
Feb 17, 2020
Auxiliary request during Opposition procedure - 03
Feb 17, 2020
Brief communication - Opposition proceedings
Feb 17, 2020
Brief communication - Opposition proceedings
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Letter accompanying subsequently filed items
Feb 17, 2020
Letter accompanying subsequently filed items
Feb 17, 2020
Main request during Opposition procedure
Feb 17, 2020
Main request during Opposition procedure
Feb 17, 2020
Oral proceedings: reply to date proposed
Feb 17, 2020
Oral proceedings: reply to date proposed
Feb 12, 2020
(Electronic) Receipt
Feb 12, 2020
Brief communication - Opposition proceedings
Feb 12, 2020
Brief communication - Opposition proceedings
Feb 12, 2020
Letter accompanying subsequently filed items
Feb 12, 2020
Request for interpreters during oral proceedings
Feb 7, 2020
(Electronic) Receipt
Feb 7, 2020
Letter accompanying subsequently filed items
Feb 7, 2020
Oral proceedings: reply to date proposed
Feb 6, 2020
Brief communication - Opposition proceedings
Feb 6, 2020
Brief communication - Opposition proceedings
Feb 6, 2020
Communication of amended entries
Jan 31, 2020
(Electronic) Receipt
Jan 31, 2020
Annexes in respect of a client data request
Jan 31, 2020
Letter accompanying subsequently filed items
Jan 31, 2020
Request for change of name -opponent
Oct 21, 2019
Submission concerning representation
Oct 3, 2019
Advice of delivery
Oct 3, 2019
Advice of delivery
Oct 2, 2019
Advice of delivery
Sep 30, 2019
Advice of delivery
Sep 27, 2019
Advice of delivery
Sep 25, 2019
Advice of delivery
Sep 23, 2019
Acknowledgement of a document
Sep 23, 2019
Acknowledgement of a document
Sep 23, 2019
Acknowledgement of a document
Sep 23, 2019
Annex to the communication - opposition
Sep 23, 2019
Information concerning oral proceedings
Sep 23, 2019
Summons to attend oral proceedings
Sep 23, 2019
Summons to attend oral proceedings
Sep 23, 2019
Summons to attend oral proceedings
Jun 14, 2019
Brief communication - Opposition proceedings
Jun 14, 2019
Brief communication - Opposition proceedings
Jun 10, 2019
(Electronic) Receipt
Jun 10, 2019
Any annexes (other than citation) to an opposition letter
Jun 10, 2019
Auxiliary request during Opposition procedure - 01
Jun 10, 2019
Auxiliary request during Opposition procedure - 02
Jun 10, 2019
Auxiliary request during Opposition procedure - 03
Jun 10, 2019
Citation in opposition procedure - 020
Jun 10, 2019
Claims
Jun 10, 2019
Claims
Jun 10, 2019
Claims
Jun 10, 2019
Letter accompanying subsequently filed items
Jun 10, 2019
Reply of the patent proprietor to the notice(s) of opposition
Mar 11, 2019
Submission concerning representation
Feb 1, 2019
Communication of a notice of opposition and request to file observations
Feb 1, 2019
Notice of further oppositions to opponent(s)
Feb 1, 2019
Notice of further oppositions to opponent(s)
Jan 28, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 25, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 18, 2019
(Electronic) Receipt
Jan 18, 2019
Any annexes (other than citation) to an opposition letter
Jan 18, 2019
Citation in opposition procedure - 011
Jan 18, 2019
Citation in opposition procedure - 013
Jan 18, 2019
Citation in opposition procedure - 014
Jan 18, 2019
Citation in opposition procedure - 015
Jan 18, 2019
Citation in opposition procedure - 016
Jan 18, 2019
Citation in opposition procedure - 017
Jan 18, 2019
Citation in opposition procedure - 018
Jan 18, 2019
Citation in opposition procedure - 019
Jan 18, 2019
Notice of opposition
Jan 18, 2019
Notice of opposition
Jan 18, 2019
Patent document cited during the opposition procedure
Jan 18, 2019
Patent document cited during the opposition procedure
Jan 18, 2019
Patent document cited during the opposition procedure
Jan 17, 2019
(Electronic) Receipt
Jan 17, 2019
Any annexes (other than citation) to an opposition letter
Jan 17, 2019
Citation in opposition procedure
Jan 17, 2019
Citation in opposition procedure - 001
Jan 17, 2019
Citation in opposition procedure - 002
Jan 17, 2019
Citation in opposition procedure - 003
Jan 17, 2019
Citation in opposition procedure - 004
Jan 17, 2019
Citation in opposition procedure - 005
Jan 17, 2019
Citation in opposition procedure - 006
Jan 17, 2019
Citation in opposition procedure - 007
Jan 17, 2019
Citation in opposition procedure - 008
Jan 17, 2019
Citation in opposition procedure - 009
Jan 17, 2019
Citation in opposition procedure - 010
Jan 17, 2019
Citation in opposition procedure - 012
Jan 17, 2019
Notice of opposition
Jan 17, 2019
Notice of opposition
Jul 3, 2018
Submission concerning representation
Apr 30, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 22, 2018
Decision to grant a European patent
Mar 9, 2018
(Electronic) Receipt
Mar 9, 2018
Filing of the translations of the claims
Mar 9, 2018
French translation of claims
Mar 9, 2018
German translation of the claims
Mar 9, 2018
Letter accompanying subsequently filed items
Jan 11, 2018
Confirmation of revocation of automatic debit order
Jan 8, 2018
Letter relating to the automatic debiting procedure
Nov 15, 2017
Bibliographic data of the European patent application
Nov 15, 2017
Communication about intention to grant a European patent
Nov 15, 2017
Intention to grant (signatures)
Nov 15, 2017
Text intended for grant (clean copy)
Nov 15, 2017
Text intended for grant (version for approval)
Oct 27, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Oct 17, 2017
(Electronic) Receipt
Oct 17, 2017
Amended claims with annotations
Oct 17, 2017
Claims
Oct 17, 2017
Letter accompanying subsequently filed items
Oct 17, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jun 8, 2017
Bibliographic data of the European patent application
Jun 8, 2017
Communication about intention to grant a European patent
Jun 8, 2017
Intention to grant (signatures)
Jun 8, 2017
Text intended for grant (clean copy)
Jun 8, 2017
Text intended for grant (version for approval)
Feb 15, 2017
(Electronic) Receipt
Feb 15, 2017
Amended claims with annotations
Feb 15, 2017
Claims
Feb 15, 2017
Letter accompanying subsequently filed items
Feb 15, 2017
Reply to communication from the Examining Division
Oct 6, 2016
Annex to the communication
Oct 6, 2016
Communication from the Examining Division
Jul 5, 2016
(Electronic) Receipt
Jul 5, 2016
Letter accompanying subsequently filed items
Jul 5, 2016
Reply to communication from the Examining Division
Feb 26, 2016
Annex to the communication
Feb 26, 2016
Communication from the Examining Division
Feb 9, 2016
(Electronic) Receipt
Feb 9, 2016
Letter accompanying subsequently filed items
Feb 9, 2016
Reply to communication from the Examining Division
Nov 26, 2015
Acknowledgement of receipt of third party observations
Nov 26, 2015
Transmittal of third party observations to applicant
Nov 23, 2015
(Electronic) Receipt
Nov 23, 2015
Letter accompanying subsequently filed items
Nov 23, 2015
Non-patent literature filed by a third party
Nov 23, 2015
Non-patent literature filed by a third party
Nov 23, 2015
Non-patent literature filed by a third party
Nov 23, 2015
Observations by third parties
Nov 23, 2015
Patent document filed by a Third party
Nov 23, 2015
Patent document filed by a Third party
Oct 12, 2015
Annex to the communication
Oct 12, 2015
Communication from the Examining Division
Apr 16, 2015
Response to enquiry for communication from the Examining Division
Apr 13, 2015
(Electronic) Receipt
Apr 13, 2015
Enquiry as to when a communication from the Examining Division can be expected
Apr 13, 2015
Letter accompanying subsequently filed items
Dec 5, 2013
Communication of amended entries concerning the representative
Nov 8, 2013
Submission concerning change of applicant's representative
Nov 6, 2013
Submission concerning change of applicant's representative
Dec 21, 2010
Claims
Dec 21, 2010
Reply to communication from the Examining Division
Dec 17, 2010
Claims
Dec 17, 2010
Reply to communication from the Examining Division
Aug 17, 2010
Annex to the communication
Aug 17, 2010
Communication from the Examining Division
Jun 10, 2008
Communication of the registration of a transfer or change of name and/or address
May 21, 2008
Submission concerning a transfer of rights (applicant)
Mar 28, 2007
Notification on forthcoming publication of bibliographic data
Mar 26, 2007
Communication regarding possible amendment of claims/payment of claims fees
Feb 14, 2007
Copy of the international preliminary examination report
Jan 29, 2007
Submission concerning representation
Jan 26, 2007
Submission concerning representation
Jan 24, 2007
Request for entry into the European phase
Jan 22, 2007
Amended claims filed after receipt of (European) search report
Jan 22, 2007
Amendments received before examination
Jan 22, 2007
Claims
Jan 22, 2007
Letter accompanying subsequently filed items
Jan 22, 2007
Request for entry into the European phase
Dec 29, 2006
Information on entry into European phase
Nov 17, 2006
International preliminary examination report
Nov 17, 2006
International preliminary examination report
Nov 17, 2006
International preliminary examination report - free text sheet
Nov 17, 2006
International preliminary examination report - free text sheet
Nov 17, 2006
International preliminary examination report - points I-VIII
Nov 17, 2006
International preliminary examination report - points I-VIII
Nov 17, 2006
Notification of documents sent to WIPO
Nov 17, 2006
Transmittal of International Preliminary Examination Report
Jul 26, 2006
Notification of documents sent to WIPO
Jul 20, 2006
Letter regarding PCTII procedure
Jul 20, 2006
Letter regarding PCTII procedure
Jul 20, 2006
PCT demand form
Jul 18, 2006
PCT demand form
Jul 18, 2006
Reply to communication PCT/IPEA/404
Jun 23, 2006
Invitation to correct defects in demand
Jun 23, 2006
Notification of documents sent to WIPO
May 26, 2006
Notification of defects in the demand
May 19, 2006
Notification of the recording of a change
May 17, 2006
Document concerning fees and payments
May 15, 2006
Letter regarding PCTII procedure
Apr 26, 2006
Invitation to pay prescribed fees together with late payment fee (Rule 58bis PCT)
Apr 26, 2006
Notification of documents sent to WIPO
Apr 26, 2006
Notification of receipt of demand
Apr 10, 2006
Letter regarding PCTII procedure
Apr 10, 2006
PCT demand form
Apr 7, 2006
Document concerning fees and payments
Apr 7, 2006
Letter regarding PCTII procedure
Apr 7, 2006
Letter regarding PCTII procedure
Apr 7, 2006
PCT demand form
Mar 15, 2006
Priority document (electronically transmitted)
Feb 23, 2006
Copy of the international search report
Feb 23, 2006
Published international application - A1
Sep 26, 2005
Abstract
Sep 26, 2005
Claims
Sep 26, 2005
Description
Sep 26, 2005
Drawings
Sep 26, 2005
Submission concerning representation

EP1776328

DOW TECHNOLOGY INVESTMENTS

Application Number: EP05778978A
Filing Date: Jul 19, 2005
Status: Patent Maintained As Amended; Feb 21, 2025
Publication Date: Mar 26, 2025
External Links: Slate, Register , Google Patents

IP Verse

Stabilization Of A Hydroformylation Process

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP1776328