IP Verse

Method Of Increasing Filler Content In Papermaking - EP2367978

The patent EP2367978 was granted to Nalco on Oct 9, 2019. The application was originally filed on Nov 25, 2009 under application number EP09761127A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2367978

NALCO
Application Number
EP09761127A
Filing Date
Nov 25, 2009
Status
Opposition Rejected
Aug 5, 2022
Grant Date
Oct 9, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

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.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

OMYAJul 8, 2020MULLER DYCK -

Patent Citations (16) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2005155520
INTERNATIONAL-SEARCH-REPORTUS4943349
INTERNATIONAL-SEARCH-REPORTUS5126014
INTERNATIONAL-SEARCH-REPORTUS5676746
OPPOSITIONJPS63203894
OPPOSITIONUS2005155520
OPPOSITIONUS4943349
OPPOSITIONWO0014331
OPPOSITIONWO03087472
OPPOSITIONWO2006066769
OTHERDE4128570
OTHERFR2895686
OTHERUS4605702
OTHERUS4943349
OTHERWO03023139
OTHERWO9732934

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- Anonymous, "Catiofast VMP", BASF, (20100801), pages 1 - 3, XP055767195
OPPOSITION- Tony Blixt, "Chalk- A Calcium Carbonate for the High Filled Sheet", Papermakers Conference, (19920408), pages 515 - 520, XP055767199

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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

  • Get instant alerts for new documents