Formulated Isocyanate-Reactive Blends Including Olefin Based Blowing Agent

Patent No. EP3119824 (titled "Formulated Isocyanate-Reactive Blends Including Olefin Based Blowing Agent") was filed by DOW on Mar 20, 2015. The application was issued on Apr 28, 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
BASFJan 28, 2022BASF ASSOCIATION
COVESTRO DEUTSCHLANDJan 28, 2022LEVPAT

Dossier Documents

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EP3119824

DOW
Application Number
EP15714739A
Filing Date
Mar 20, 2015
Status
Revoked
Oct 13, 2023
Publication Date
Apr 28, 2021