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Expandable Compositions Containing Aromatic Vinyl Polymers Having Self-Extinguishing Properties And Improved Processability

Patent No. EP3481891 (titled "Expandable Compositions Containing Aromatic Vinyl Polymers Having Self-Extinguishing Properties And Improved Processability") was filed by Versalis on Jul 7, 2017. The application was issued on Apr 8, 2020.

Patent Summary

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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
SYNTHOSJan 11, 2021EISENFUHR SPEISER
BASFJan 7, 2021BASF ASSOCIATION

Dossier Documents

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EP3481891

VERSALIS
Application Number
EP17735564A
Filing Date
Jul 7, 2017
Status
Revoked
Aug 2, 2024
Publication Date
Apr 8, 2020
External Links
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