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Polyisocyanate Prepolymers And Use Thereof

PatentPatent Analysis

EP2566906

BAYER
Application Number
EP11716941A
Filing Date
May 2, 2011
Status
Revoked
Aug 20, 2021
Grant Date
Jul 31, 2019
External Links
Slate, Register, Google Patents
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The patent EP2566906B1 was granted to Bayer on Jul 31, 2019 following the initial filing on May 2, 2011 under the application number EP11716941A . The current legal status of the patent is Revoked.

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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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ECONICApr 30, 2020ADMISSIBLE
REPSOLApr 29, 2020ADMISSIBLE

Dossier Documents of the Patent

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