Reckitt Benckiser Finish B.v.

Roland Bohn

Claudia Schmaelzle

Helmut B Witteler

Caroline Rigobert

Pavlinka Roy

Heike Weber

Yannick Fuchs

A method of manufacturing an automatic dishwashing detergent product, provided as a discrete dosage unit and comprising a continuous, non-aqueous gel phase, includes manufacturing the gel phase by free radical polymerisation of monomer(s) in a non-aqueous reaction mixture to form a polymeric builder. The reaction mixture comprises at least one non-ionic surfactant which is an optionally end-capped alcohol alkoxylate; and one or more monomers comprising acrylic acid and optionally one or more further &#x3b1;,&#x3b2;-ethylenically unsaturated acids, wherein no more than 0.1 wt % of the total amount of the monomer(s) are crosslinking monomer(s).

Method of manufacturing an automatic dishwashing detergent product

The present invention provides a method of manufacturing an automatic dishwashing detergent product, said product being provided as a discrete dosage unit and comprising a continuous, non-aqueous gel phase, comprising manufacturing said gel phase by a method comprising free radical polymerisation of monomer(s) in a non-aqueous reaction mixture to form a polymeric builder; wherein said reaction mixture comprises: at least one non-ionic surfactant which is an optionally end-capped alcohol alkoxylate; and one or more monomers comprising acrylic acid and optionally one or more further &#x3b1;,&#x3b2;-ethylenically unsaturated acids, wherein no more than 0.1 wt % of the total amount of the monomer(s) are crosslinking monomer(s).

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Maxdorf, Germany

Roland Bohn