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EP0055386A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Hair-dyeing preparations

Assignee: Henkel AG and Co KGaA
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Filing: 1981-10-30
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Granted: —
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Expires: 2001-10-30
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Abstract

Abstract Translated from German Haarfärbemittel auf Basis von Oxidationsfarbstoffen enthalten neben üblichen Kupplersubstanzen als Entwicklerkomponente hydroxyalkylierte Alkylamino-p-phenylendiamine der allgemeinen Formel (1) oder deren Salze. n = 2 - 4; R 1 , R 2 = H, Mono- oder Polyhydroxyalkyl-(C 2-6 ), wobei mindestens einer der Reste R 1 , R 2 ein Mono- oder Polyhydroxyalkylrest ist. Hair colorants based on oxidation dyes contain, in addition to conventional coupler substances, hydroxyalkylated alkylamino-p-phenylenediamines of the general formula (1) or salts thereof as developer components. n = 2-4; R 1 , R 2 = H, mono- or polyhydroxyalkyl- (C 2-6 ), at least one of the radicals R 1 , R 2 being a mono- or polyhydroxyalkyl radical. Eine bevorzugte Verbindung ist N-(p-Aminophenyl)-N',N'-bis-(ß-hydroxyethyl)-1,3-diaminopropan. A preferred compound is N- (p-aminophenyl) -N ', N'-bis- (β-hydroxyethyl) -1,3-diaminopropane. Die Anwendungskonzentration der Entwickler/Kuppler-Kombination beträgt 0,2-5 (1-3) Gew.-%. The application concentration of the developer / coupler combination is 0.2-5 (1-3)% by weight.

Inventors

  • 👤 David Dr. Rose
  • 👤 Norbert Dr. Maak

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 22:54
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/10; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/411

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