Apparatus And Process For Producing Products From Pigment-Containing Polymer Mixtures

Patent No. EP2593288 (titled "Apparatus And Process For Producing Products From Pigment-Containing Polymer Mixtures") was filed by Bayer on Jul 13, 2011. The application was issued on Apr 16, 2025.

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Patent Oppositions (3)

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
EXTRICOM EXTRUSIONJul 11, 2018LS MP VON PUTTKAMER BERNGRUBER LOTH SPUHLER
COPERIONJul 10, 2018RAU
INEOS STYROLUTION GROUPJul 5, 2018JACOBI

Dossier Documents

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EP2593288

BAYER
Application Number
EP11735420A
Filing Date
Jul 13, 2011
Status
Patent Maintained As Amended
Mar 14, 2025
Publication Date
Apr 16, 2025