IP Verse

Polymer Resins Having Improved Barrier Properties And Methods Of Making Same

Patent No. EP2611861 (titled "Polymer Resins Having Improved Barrier Properties And Methods Of Making Same") was filed by Chevron Phillips Chemical LP on Aug 30, 2011. The application was issued on Jan 2, 2019.

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
BOREALISOct 2, 2019DEHNS
THE DOW CHEMICALOct 1, 2019BOULT WADE TENNANT

Dossier Documents

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EP2611861

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP11755485A
Filing Date
Aug 30, 2011
Status
Revoked
Nov 12, 2021
Publication Date
Jan 2, 2019
External Links
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