Hair dye preparations containing nitrodiphenylamine derivative

US4859206A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• David Rose · Hilden, DE
• Edgar Lieske · Düsseldorf, DE
• Horst Hoeffkes · Goldkronach, DE
• Norbert Maak · Neuss, DE

Key dates

• Filing date: Feb 26, 1988
• Grant date: Aug 22, 1989
• Expiry date: Feb 26, 2008

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q5/065
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

This invention encompasses compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently are hydrogen, C.sub.1-4 alkyl, or C.sub.2-4 hydroxyalkyl; one of R.sup.3 to R.sup.7 is --SO.sub.3 H or --COOH; and the remaining of R.sup.3 to R.sup.7 independently are hydrogen, chlorine, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, or --NR.sup.8 R.sup.9, where R.sup.8 and R.sup.9 independently are hydrogen, C.sub.1-4 alkyl, C.sub.2-4 alkoxy, or where --NR.sup.8 R.sup.9 is piperidine, morpholine, piperazine, or pyrrolidone; or a water soluble salt thereof; hair dye preparation containing these compounds, and methods for dyeing hair using such preparation.