Controllable Filler Prefloculation Using A Dual Polymer System

Patent No. EP2188448 (titled "Controllable Filler Prefloculation Using A Dual Polymer System") was filed by Nalco on Sep 12, 2008. The application was issued on May 25, 2022.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
OMYA	May 17, 2017	MULLER DYCK

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

Apr 29, 2022
Decision to maintain the European patent in amended form
Apr 29, 2022
Decision to maintain the European patent in amended form
Apr 22, 2022
Termination of the opposition proceedings with maintenance of patent
Apr 13, 2022
(Electronic) Receipt
Apr 13, 2022
Filing of the translation of the amended claims
Apr 13, 2022
French translation of claims
Apr 13, 2022
German translation of the claims
Apr 13, 2022
Letter accompanying subsequently filed items
Jan 17, 2022
Refund of fees
Jan 14, 2022
Communication to opponent concerning maintenance
Jan 14, 2022
Communication with request to file translations
Jan 13, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 13, 2022
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jan 12, 2022
(Electronic) Receipt
Jan 12, 2022
F3936 Acknowledgement of receipt Board of Appeal
Jan 12, 2022
Letter accompanying subsequently filed items
Jan 10, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 10, 2022
F3017 Oral Proceedings: Notification of cancellation/postponing
Jan 10, 2022
Maintenance of the patent with the documents specified in the final decision
Jan 7, 2022
F3345 Forwarding of submissions to parties
Jan 4, 2022
F3014 Oral Proceedings: Order cancelling/postponing
Dec 24, 2021
(Electronic) Receipt
Dec 24, 2021
Letter accompanying subsequently filed items
Dec 24, 2021
Withdrawal of an appeal
Nov 10, 2021
Document concerning representation
Nov 10, 2021
Letter accompanying subsequently filed items
Mar 24, 2021
Refund of fees
Mar 23, 2021
F3345 Forwarding of submissions to parties
Mar 18, 2021
(Electronic) Receipt
Mar 18, 2021
Letter accompanying subsequently filed items
Mar 18, 2021
Withdrawal of an appeal
Mar 4, 2021
(Electronic) Receipt
Mar 4, 2021
F3936 Acknowledgement of receipt Board of Appeal
Mar 4, 2021
Letter accompanying subsequently filed items
Feb 23, 2021
F3936 Acknowledgement of receipt Board of Appeal
Feb 19, 2021
F3011.1 Oral Proceedings: summons
Feb 19, 2021
F3011.1 Oral Proceedings: summons
Feb 19, 2021
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Feb 16, 2021
F3010 Oral proceedings: order for summons
Jun 5, 2020
F3345 Forwarding of submissions to parties
Jun 4, 2020
Communication of amended entries concerning the representative
May 29, 2020
Submission concerning change of proprietor's representative
Sep 27, 2019
Composition of the board (T)
Aug 19, 2019
F3345 Forwarding of submissions to parties
Aug 12, 2019
(Electronic) Receipt
Aug 12, 2019
Letter accompanying subsequently filed items
Aug 12, 2019
Reply to appeal
Aug 6, 2019
F3345 Forwarding of submissions to parties
Jul 31, 2019
(Electronic) Receipt
Jul 31, 2019
Letter accompanying subsequently filed items
Jul 31, 2019
Reply to appeal
Apr 1, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 1, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 26, 2019
(Electronic) Receipt
Mar 26, 2019
(Electronic) Receipt
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Amended claims with annotations
Mar 26, 2019
Cited document during appeal procedure
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Claims
Mar 26, 2019
Letter accompanying subsequently filed items
Mar 26, 2019
Letter accompanying subsequently filed items
Mar 26, 2019
Non-Patent Literature cited during the appeal procedure
Mar 26, 2019
Non-Patent Literature cited during the appeal procedure
Mar 26, 2019
Non-Patent Literature cited during the appeal procedure
Mar 26, 2019
Non-Patent Literature cited during the appeal procedure
Mar 26, 2019
Statement of grounds of appeal
Mar 26, 2019
Statement of grounds of appeal
Mar 26, 2019
Statement of grounds of appeal
Feb 27, 2019
Miscellaneous requests concerning client data
Jan 28, 2019
F3204 Communication of the file number to the parties
Jan 22, 2019
(Electronic) Receipt
Jan 22, 2019
F3204 Communication of the file number to the parties
Jan 22, 2019
Letter accompanying subsequently filed items
Jan 22, 2019
Notice of appeal
Jan 16, 2019
(Electronic) Receipt
Jan 16, 2019
Letter accompanying subsequently filed items
Jan 16, 2019
Notice of appeal
Jan 16, 2019
Processing of an appeal
Nov 23, 2018
Advice of delivery
Nov 20, 2018
Advice of delivery
Nov 19, 2018
Advice of delivery
Nov 16, 2018
Acknowledgement of a document
Nov 16, 2018
Acknowledgement of a document
Nov 16, 2018
Annex to the communication - opposition
Nov 16, 2018
Decision of the Opposition Division and instruction
Nov 16, 2018
Druckexemplar in opposition procedure
Nov 16, 2018
Grounds for the decision (Annex) - opposition
Nov 16, 2018
Interlocutory decision in opposition proceedings
Nov 16, 2018
Internal form - Opposition/addressees
Nov 16, 2018
Internal form - Opposition/addressees
Nov 16, 2018
Means of redress
Nov 16, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 16, 2018
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 16, 2018
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 16, 2018
Provision of a copy of the minutes - opposition procedure
Nov 16, 2018
Scanned annex to a communication - opposition procedure
Nov 16, 2018
Scanned annex to a communication - opposition procedure
Oct 26, 2018
Information about the result of oral proceedings
Oct 25, 2018
Brief communication - Opposition proceedings
Oct 19, 2018
(Electronic) Receipt
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Amended claims with annotations
Oct 19, 2018
Citation in opposition procedure
Oct 19, 2018
Claims
Oct 19, 2018
Claims
Oct 19, 2018
Claims
Oct 19, 2018
Claims
Oct 19, 2018
Claims
Oct 19, 2018
Claims
Oct 19, 2018
Claims
Oct 19, 2018
Claims
Oct 19, 2018
Claims
Oct 19, 2018
Letter accompanying subsequently filed items
Oct 19, 2018
Written submission in preparation to/during oral proceedings
Aug 30, 2018
Brief communication - Opposition proceedings
Aug 28, 2018
Brief communication - Opposition proceedings
Aug 24, 2018
(Electronic) Receipt
Aug 24, 2018
Annex
Aug 24, 2018
Letter accompanying subsequently filed items
Aug 24, 2018
Written submission in preparation to/during oral proceedings
Aug 24, 2018
Written submission in preparation to/during oral proceedings
Aug 23, 2018
(Electronic) Receipt
Aug 23, 2018
(Electronic) Receipt
Aug 23, 2018
Any annexes (other than citation) to an opposition letter
Aug 23, 2018
Citation in opposition procedure
Aug 23, 2018
Citation in opposition procedure
Aug 23, 2018
Letter accompanying subsequently filed items
Aug 23, 2018
Non-patent literature cited during the opposition procedure
Aug 23, 2018
Non-patent literature cited during the opposition procedure
Aug 23, 2018
Patent document cited during the opposition procedure
Aug 23, 2018
Request for interpreters during oral proceedings
Aug 23, 2018
Written submission in preparation to/during oral proceedings
May 3, 2018
Brief communication - Opposition proceedings
May 3, 2018
Communication of amended entries
Apr 20, 2018
Request concerning representative opponent
Mar 15, 2018
Advice of delivery
Mar 8, 2018
Advice of delivery
Mar 8, 2018
Advice of delivery
Mar 6, 2018
Acknowledgement of a document
Mar 6, 2018
Acknowledgement of a document
Mar 6, 2018
Annex to the communication - opposition
Mar 6, 2018
Information concerning oral proceedings
Mar 6, 2018
Preparation for oral proceedings
Mar 6, 2018
Summons to attend oral proceedings
Mar 6, 2018
Summons to attend oral proceedings
Nov 8, 2017
Brief communication - Opposition proceedings
Nov 2, 2017
(Electronic) Receipt
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Any annexes (other than citation) to an opposition letter
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Claims
Nov 2, 2017
Letter accompanying subsequently filed items
Nov 2, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jun 22, 2017
Communication of a notice of opposition and request to file observations
Jun 22, 2017
Notice of further oppositions to opponent(s)
May 26, 2017
Communication of a notice of opposition - first information to patent proprietor
May 17, 2017
(Electronic) Receipt
May 17, 2017
Non-patent literature cited during the opposition procedure
May 17, 2017
Non-patent literature cited during the opposition procedure
May 17, 2017
Non-patent literature cited during the opposition procedure
May 17, 2017
Notice of opposition
May 17, 2017
Notice of opposition
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
Mar 2, 2017
Communication of amended entries concerning the representative
Feb 22, 2017
Submission concerning change of applicant's representative
Aug 17, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 8, 2016
Communication of amended entries concerning the representative
Jul 21, 2016
Decision to grant a European patent
Jul 7, 2016
(Electronic) Receipt
Jul 7, 2016
Filing of the translations of the claims
Jul 7, 2016
French translation of claims
Jul 7, 2016
German translation of the claims
Jul 7, 2016
Letter accompanying subsequently filed items
Jun 29, 2016
Annexes in respect of a client data request
Jun 29, 2016
Submission concerning change of applicant's representative
May 9, 2016
Bibliographic data of the European patent application
May 9, 2016
Communication about intention to grant a European patent
May 9, 2016
Intention to grant (signatures)
May 9, 2016
Text intended for grant
Jan 5, 2016
(Electronic) Receipt
Jan 5, 2016
Amended description with annotations
Jan 5, 2016
Description
Jan 5, 2016
Letter accompanying subsequently filed items
Jan 5, 2016
Reply to communication from the Examining Division
Sep 15, 2015
Annex to the communication
Sep 15, 2015
Communication from the Examining Division
Feb 5, 2015
(Electronic) Receipt
Feb 5, 2015
Amended claims with annotations
Feb 5, 2015
Claims
Feb 5, 2015
Letter accompanying subsequently filed items
Feb 5, 2015
Reply to communication from the Examining Division
Oct 14, 2014
Annex to the communication
Oct 14, 2014
Communication from the Examining Division
Oct 1, 2014
(Electronic) Receipt
Oct 1, 2014
Filing of the translations of the claims
Oct 1, 2014
French translation of claims
Oct 1, 2014
German translation of the claims
Sep 30, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Sep 22, 2014
Transmittal of third party observations to applicant
Sep 15, 2014
Non-patent literature filed by a third party
Sep 15, 2014
Non-patent literature filed by a third party
Sep 15, 2014
Non-patent literature filed by a third party
Sep 15, 2014
Non-patent literature filed by a third party
Sep 15, 2014
Non-patent literature filed by a third party
Sep 15, 2014
Observations by third parties
Jun 4, 2014
Bibliographic data of the European patent application
Jun 4, 2014
Communication about intention to grant a European patent
Jun 4, 2014
Intention to grant (signatures)
Jun 4, 2014
Text intended for grant
Jul 5, 2013
Communication of amended entries concerning the representative
Jul 1, 2013
Submission concerning change of applicant's representative
May 22, 2013
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 3, 2013
Submission concerning representation
Feb 27, 2013
Communication of amended entries concerning the representative
Feb 23, 2013
Submission concerning change of applicant's representative
Feb 22, 2013
Annexes in respect of a client data request
Feb 22, 2013
Submission concerning change of applicant's representative
Feb 20, 2013
Submission concerning change of applicant's representative
Feb 6, 2013
Communication of amended entries concerning the representative
Feb 1, 2013
Submission concerning change of applicant's representative
Feb 1, 2013
Submission concerning change of applicant's representative
Jan 31, 2013
Submission concerning change of applicant's representative
May 29, 2012
(Electronic) Receipt
May 29, 2012
Amended description with annotations
May 29, 2012
Description
May 29, 2012
Description
May 29, 2012
Letter accompanying subsequently filed items
May 29, 2012
Reply to communication from the Examining Division
Jan 18, 2012
Annex to the communication
Jan 18, 2012
Communication from the Examining Division
Nov 16, 2011
CDS Clean up - amended data concerning the representative for the applicant
Nov 15, 2011
Submission concerning representation
Mar 16, 2011
Communication of amended entries concerning the representative
Mar 7, 2011
Submission concerning change of applicant's representative
Jun 17, 2010
Communication concerning the filing of a power of attorney
Jun 17, 2010
Communication of amended entries concerning the representative
Jun 17, 2010
Invitation to indicate correct address of inventor
Jun 9, 2010
Letter which had not been notified
Jun 2, 2010
(Electronic) Receipt
Jun 2, 2010
Amended description filed after receipt of (European) search report
Jun 2, 2010
Amendments received before examination
Jun 2, 2010
Authorisation
Jun 2, 2010
Letter accompanying subsequently filed items
Apr 28, 2010
Notification on forthcoming publication of bibliographic data
Apr 23, 2010
Communication concerning correction of deficiences in Written Opinion/amendment of application/payment of claims fee
Mar 31, 2010
Copy of the international preliminary report on patentability
Feb 16, 2010
Annex
Feb 16, 2010
Matter concerning the application
Feb 16, 2010
Payment of fees and costs
Feb 16, 2010
Request for entry into the European phase
Feb 12, 2010
Annex
Feb 12, 2010
Matter concerning the application
Feb 12, 2010
Payment of fees and costs
Feb 12, 2010
Request for entry into the European phase
Jan 22, 2010
Information on entry into European phase
Apr 15, 2009
Priority document (electronically transmitted)
Mar 19, 2009
Copy of the international search report
Mar 19, 2009
Published international application - A1
Feb 2, 2009
Written opinion of the ISA, boxes No. I to VIII
Feb 2, 2009
Written opinion of the ISA, cover sheet
Feb 2, 2009
Written opinion of the ISA, supplemental box
Sep 24, 2008
Abstract
Sep 24, 2008
Claims
Sep 24, 2008
Description
Sep 24, 2008
Drawings
Sep 24, 2008
Submission concerning representation

EP2188448

NALCO

Application Number: EP08799500A
Filing Date: Sep 12, 2008
Status: Patent Maintained As Amended; Apr 22, 2022
Publication Date: May 25, 2022
External Links: Slate, Register , Google Patents

IP Verse

Controllable Filler Prefloculation Using A Dual Polymer System

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2188448