Ziegler-Natta-Metallocene Dual Catalyst Systems With Activator-Supports

Patent No. EP3320004 (titled "Ziegler-Natta-Metallocene Dual Catalyst Systems With Activator-Supports") was filed by Chevron Phillips Chemical LP on Jun 28, 2016. The application was issued on Dec 6, 2023.

Patent Summary

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Patent Family

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
BOREALISMay 12, 2021DEHNS
TOTALENERGIES ONETECH BELGIUMMay 12, 2021GARCIA MARTIN
THE DOW CHEMICALMay 11, 2021VO

Dossier Documents

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EP3320004

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP16739324A
Filing Date
Jun 28, 2016
Status
Patent Maintained As Amended
Nov 3, 2023
Publication Date
Dec 6, 2023