IP Verse

Method For Co-Production Of Low-Carbon Foaming Agent

Patent No. EP3659994 (titled "Method For Co-Production Of Low-Carbon Foaming Agent") was filed by Zhejiang Quhua Fluor Chemistry on Jun 25, 2018. The application was issued on Jul 31, 2024.

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
MEXICHEM FLUOR DE CVApr 25, 2025POTTER CLARKSON

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

EP3659994

ZHEJIANG QUHUA FLUOR CHEMISTRY
Application Number
EP18838944A
Filing Date
Jun 25, 2018
Status
Granted And Under Opposition
Jun 27, 2024
Publication Date
Jul 31, 2024
External Links
Slate, Register , Google Patents