Ethylene Polymers And Ethylene Copolymers For Blown Films

Patent No. EP3538572 (titled "Ethylene Polymers And Ethylene Copolymers For Blown Films") was filed by Chevron Phillips Chemical LP on Nov 6, 2017. The application was issued on Dec 30, 2020.

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
THE DOW CHEMICALSep 30, 2021BECK GREENER
TOTALENERGIES ONETECH BELGIUMSep 30, 2021MELLET
BOREALISSep 29, 2021KADOR & PARTNER PART MBB

Dossier Documents

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EP3538572

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP17863295A
Filing Date
Nov 6, 2017
Status
Revoked
Sep 27, 2025
Publication Date
Dec 30, 2020