Noxell Corporation

Ingo Reinhold Weber

Markus Speckbacher

Armin Osan

Heike Gertrud Abel

Bryan Patrick Murphy

Garry Steven Garrett

John Michael Gardlik

Mathias Kurt Herrlein

Stephen Robert Schofield

Tatjana Schaefer

Moritz Klickermann

Gabriella Egri

Lars Siegfried Dähne

Mandy Hecht

Monica Jo Patten

Cagri Üzüm

Formulation for colouring hair having at least one coloured polymer.

Hair colouration formulation

A process for the preparation of 2-substituted-1,4-benzenediamines, a cosmetically acceptable salt thereof, or mixture thereof. The process according to the present invention is a particularly cost effective process in that it avoids sophisticated chemical steps which requires special equipment or expensive catalysts and in that it comprises a recycling step of one of the starting materials, namely the 2-substituted aniline.

Process for the preparation of 2-substituted-1,4-benzenediamines and salts thereof

A telescoping process for the preparation of 2-methoxymethyl-p-phenylenediamine, a cosmetically acceptable salt thereof, or mixture thereof. The process according to the present invention is a particularly cost effective process in that it avoids sophisticated chemical steps which requires special equipment or expensive catalysts and in that it comprises a recycling step of one of the starting materials, namely 2-methoxymethylaniline.

Telescoping synthesis of 2-methoxymethyl-p-phenylenediamine

A telescoping process for the preparation of 2-methoxymethyl-p-phenylenediamine, a cosmetically acceptable salt thereof, or mixture thereof. The process according to the present invention is a particularly cost effective process in that it avoids sophisticated chemical steps which requires special equipment or expensive catalysts and in that it comprises a recycling step of one of the starting materials, namely 2-hydroxymethylaniline.

Telescoping synthesis of 2-methoxymethyl-P-phenylenediamine

A compound of formula (I) or (II) or (III): wherein R, R, R, R', R&#x2033; and R&#x2033;&#x2032; are as defined herein. This compound can be used in a composition for the dyeing of fibers.

Azo direct dyes and method for dyeing hair using these dyes

Growing community of inventors

Basel, Switzerland

Ingo Reinhold Weber