Polybutadiene With Epoxy Groups

Patent No. EP2679605 (titled "Polybutadiene With Epoxy Groups") was filed by Evonik Degussa on Jun 29, 2012. The application was issued on Oct 14, 2015.

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
EMERALD SPECIALTY POLYMERSJul 14, 2016RENKEMA

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

EP2679605

EVONIK DEGUSSA
Application Number
EP12174420A
Filing Date
Jun 29, 2012
Status
Revoked
Nov 30, 2018
Publication Date
Oct 14, 2015