Compatibilization Of Recycled Polyethylene-Polypropylene Blends

Patent No. EP3947554 (titled "Compatibilization Of Recycled Polyethylene-Polypropylene Blends") was filed by Borealis on Mar 26, 2020. The application was issued on May 3, 2023.

Patent Summary

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Patent Family

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
EVONIK OPERATIONSFeb 1, 2024EVONIK PATENT ASSOCIATION
EVONIK OPERATIONSFeb 1, 2024STREHLKE

Dossier Documents

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EP3947554

BOREALIS
Application Number
EP20713298A
Filing Date
Mar 26, 2020
Status
Granted And Under Opposition
Mar 31, 2023
Publication Date
May 3, 2023