Dye Composition Using At Least One Coupler Of Meta-Phenylenediamine Type Substituted In Position 4 In A Medium Comprising A Fatty Substance, Processes And Device

Patent No. EP2950774 (titled "Dye Composition Using At Least One Coupler Of Meta-Phenylenediamine Type Substituted In Position 4 In A Medium Comprising A Fatty Substance, Processes And Device") was filed by L'Oreal on Jan 29, 2014. The application was issued on Jul 25, 2018.

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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
HENKELApr 24, 2019LKGLOBAL LORENZ & KOPF
KAO GERMANYApr 23, 2019-

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EP2950774

L'OREAL
Application Number
EP14701764A
Filing Date
Jan 29, 2014
Status
Revoked
Jun 19, 2024
Publication Date
Jul 25, 2018