Polyethylene Pipe Resin With High Resistance To Slow Crack Growth

Patent No. EP4179020 (titled "Polyethylene Pipe Resin With High Resistance To Slow Crack Growth") was filed by Borealis on Jul 7, 2021. The application was issued on Dec 25, 2024.

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
SABIC SABIC PETROCHEMICALSSep 25, 2025SABIC GROUP
THE DOW CHEMICALSep 24, 2025BOULT WADE TENNANT

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

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EP4179020

BOREALIS
Application Number
EP21740500A
Filing Date
Jul 7, 2021
Status
Granted And Under Opposition
Nov 22, 2024
Publication Date
Dec 25, 2024