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Modified (Co)Polymer, Method For Preparing Thereof And Use Of The Same

Patent No. EP3902842 (titled "Modified (Co)Polymer, Method For Preparing Thereof And Use Of The Same") was filed by Public Joint Stock Sibur Holding on Dec 27, 2018. The application was issued on Sep 25, 2024.

Patent Summary

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Patent Family

Patent Oppositions

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
LANXESS DEUTSCHLANDJun 24, 2025-

Dossier Documents

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EP3902842

PUBLIC JOINT STOCK SIBUR HOLDING
Application Number
EP18905909A
Filing Date
Dec 27, 2018
Status
Granted And Under Opposition
Aug 22, 2024
Publication Date
Sep 25, 2024