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

PatentPatent Analysis

EP3481891

VERSALIS
Application Number
EP17735564A
Filing Date
Jul 7, 2017
Status
Revoked
Aug 2, 2024
Grant Date
Apr 8, 2020
External Links
Slate, Register, Google Patents
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Bibliography

The patent EP3481891B1 was granted to Versalis on Apr 8, 2020 following the initial filing on Jul 7, 2017 under the application number EP17735564A . The current legal status of the patent is Revoked.

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Patent Oppositions filed by Competitors

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.

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SYNTHOSJan 11, 2021ADMISSIBLE
BASFJan 7, 2021ADMISSIBLE

Dossier Documents of the Patent

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