Method Of Increasing Filler Content In Papermaking

Patent No. EP2367978 (titled "Method Of Increasing Filler Content In Papermaking") was filed by Nalco on Nov 25, 2009. The application was issued on Oct 9, 2019.

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 DateRepresentative
OMYAJul 8, 2020MULLER 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

  • Get instant alerts for new documents

EP2367978

NALCO
Application Number
EP09761127A
Filing Date
Nov 25, 2009
Status
Opposition Rejected
Aug 5, 2022
Publication Date
Oct 9, 2019