WO2025021351 - VERBESSERUNG DER WASCHECHTHEIT VON MIT DIREKTZIEHENDEN FARBSTOFFEN GEFÄRBTEN KERATINFASERN DURCH VERSIEGELUNG MIT CHITOSAN
National phase entry is expected:
Publication Number
WO/2025/021351
Publication Date
30.01.2025
International Application No.
PCT/EP2024/065315
International Filing Date
04.06.2024
Title **
[German]
VERBESSERUNG DER WASCHECHTHEIT VON MIT DIREKTZIEHENDEN FARBSTOFFEN GEFÄRBTEN KERATINFASERN DURCH VERSIEGELUNG MIT CHITOSAN
[English]
IMPROVEMENT OF THE WASHING FASTNESS OF KERATIN FIBERS DYED WITH DIRECT DYES BY MEANS OF A SEALING PROCESS USING CHITOSAN
[French]
AMÉLIORATION DE LA SOLIDITÉ AU LAVAGE DE FIBRES DE KÉRATINE TEINTES AVEC DES COLORANTS DIRECTS AU MOYEN D'UN PROCÉDÉ D'ÉTANCHÉITÉ UTILISANT DU CHITOSANE
Applicants **
HENKEL AG & CO. KGAA
Inventors
SEIFERT, Sabrina
LECHNER, Torsten
Priority Data
102023207165.7
27.07.2023
DE
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2093 | |
| EPO | Filing, Examination, Granting | 8353 | |
| Japan | Filing, Examination, Granting | 2153 | |
| South Korea | Filing, Examination, Granting | 2071 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,410
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[German]
Gegenstand der vorliegenden Erfindung ist ein Verfahren zum Färben von keratinischen Fasern, insbesondere menschlichen Haaren, umfassend die folgenden Schritte: - Anwendung eines Färbemittels (F) auf den keratinischen Fasern, welches mindestens einen direktziehenden Farbstoff (F-1) enthält, und - Anwendung eines Nachbehandlungsmittels (N) auf den keratinischen Fasern, welches mindestens ein Chitosan und/oder ein Chitosanderivat (N-1) enthält.[English]
The invention relates to a method for dyeing keratin fibers, in particular human hair, having the following steps: - applying a dye (F) onto the keratin fibers, said dye containing at least one direct dye (F-1), and - applying a post-treatment agent (N) onto the keratin fibers, said post-treatment agent containing at least one chitosan and/or a chitosan derivative (N-1).[French]
L'invention concerne un procédé de coloration de fibres de kératine, en particulier de cheveux humains, comprenant les étapes suivantes consistant à : - appliquer un colorant (F) sur les fibres de kératine, ledit colorant contenant au moins un colorant direct (F-1), et - appliquer un agent de post-traitement (N) sur les fibres de kératine, ledit agent de post-traitement contenant au moins un chitosane et/ou un dérivé de chitosane (N-1).