Ionically Hydrophilized Polyisocyanates And Radical Scavenger And/Or Peroxide Decomposition Agent

Patent No. EP3560976 (titled "Ionically Hydrophilized Polyisocyanates And Radical Scavenger And/Or Peroxide Decomposition Agent") was filed by Covestro on Apr 25, 2018. The application was issued on May 26, 2021.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
HOFFMAN EITLEFeb 22, 2022HOFFMANN EITLE
HOFFMANN EITLEFeb 22, 2022HOFFMANN EITLE

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

EP3560976

COVESTRO
Application Number
EP18169342A
Filing Date
Apr 25, 2018
Status
Opposition Rejected
Jan 12, 2024
Publication Date
May 26, 2021