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First Agent For Oxidation Hair Dye And Method For Stabilizing Color Tone Of Oxidation Hair Dyeing Agent Composition - EP3047843

The patent EP3047843 was granted to Hoyu on Mar 13, 2019. The application was filed on Jan 20, 2016 under application number EP16152067A. The patent is currently recorded with a legal status of "Revoked".

EP3047843

HOYU
Application Number
EP16152067A
Filing Date
Jan 20, 2016
Status
Revoked
Feb 21, 2024
Publication Date
Mar 13, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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 DateRepresentativeOpposition Status
KAO GERMANYDec 5, 2019GRITADMISSIBLE

Patent Citations (7) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONJP2001206825
DESCRIPTIONJP2001328926
DESCRIPTIONJP2008127343
OPPOSITIONEP2087878
OPPOSITIONJP2008143829
SEARCHCA986019
SEARCHUS2004083557

Dossier Documents

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    Description

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