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Hair Lightening Composition Comprising Hydrogen Peroxide, A Peroxygenated Salt, A Bicarbonate And At Least One Polyphosphorus Derivative - EP3558218
The patent EP3558218 was granted to L'Oreal on May 4, 2022. The application was originally filed on Dec 19, 2017 under application number EP17816859A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP3558218
- Application Number
- EP17816859A
- Filing Date
- Dec 19, 2017
- Status
- Granted And Under Opposition
- Apr 2, 2022
- Publication Date
- May 4, 2022
- External Links
- Slate, Register, Google Patents
Patent Summary
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.
Patent Citations (17) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
Dossier Documents
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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