Methods For Preparing Hair Coloring Compositions

Patent No. EP2665462 (titled "Methods For Preparing Hair Coloring Compositions") was filed by Noxell on Jan 18, 2012. The application was issued on Dec 16, 2015.

Patent Summary

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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
HENKELSep 16, 2016-
KAO GERMANYSep 16, 2016GRIT

Dossier Documents

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  • Date

    Description

EP2665462

NOXELL
Application Number
EP12701816A
Filing Date
Jan 18, 2012
Status
Revoked
Apr 15, 2019
Publication Date
Dec 16, 2015