Henkel Ag & Company, Kgaa

Gerd Boesemann

Volker Blank

Alexander Tollkoetter

Matthias Sunder

Thomas Holderbaum

Stefan Hammelstein

Uwe Trebbe

Niklas Siepler

A method including: a) providing a solvent-surfactant mixture; b) continuously passing the solvent-surfactant mixture through a main line; c) adjusting the yield point of the solvent-surfactant mixture in the main line to 0.1 to 10 Pa; d) continuously introducing particles having a diameter of 0.1 to 3 mm in the form of a carrier liquid-particle dispersion into the main line via a secondary line; e) continuously discharging the particle-containing solvent-surfactant mixture from the main line.

Method for preparing a particle- and surfactant-containing liquid

A continuous method for preparing a liquid washing or cleaning agent which includes at least one surfactant and at least one dye. In this case, the dye solution used in the method according to the invention is free of preservatives. The present invention also relates to washing or cleaning agents which are obtained by way of the method according to the invention.

Method for preparing a liquid washing or cleaning agent using a preservative-free dye solution

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Duesseldorf, Germany

Gerd Boesemann