Detergent compositions comprising hydroxyacid compounds

Details Detergent compositions comprising hydroxyacid compounds Detergent compositions comprising hydroxyacid compounds

C - Chemistry, Metallurgy

11

D

C11D 3/20 (2006.01) C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 3/39 (2006.01)

Patent

CA 2227884

There is provided a detergent composition comprising one or more surfactants and one or more hydroxyacid compounds selected from monocarboxylic acid, alicyclic polycarboxylic acid, heterocyclic polycarboxylic acid and aromatic polycarboxylic acid compounds, and salts thereof substituted with at least one hydroxyl group, wherein said hydroxyacid compound is present in amount less than 5 %. Also provided herein is a method for reducing heater encrustation, which comprises contacting the heater with an effective amount of an aqueous solution of a detergent composition comprising said hydroxyacid.

Composition détergente comprenant un ou plusieurs tensioactifs et un ou plusieurs composés d'hydroxyacide choisis parmi l'acide monocarboxylique, l'acide polycarboxyylique alicyclique, l'acide polycarboxylique hétérocyclique et l'acide polycarboxylique aromatique. L'invention concerne aussi des sels de ces composés avec substitution par au moins un groupe hydroxyle, ledit composé d'hydroxyacide étant présent dans une proportion inférieure à 5 %. Est également décrite une technique permettant de réduire l'entartrage de l'élément chauffant consistant à mettre celui-ci en contact avec une quantité efficace d'une solution aqueuse d'une composition détergente comprenant ledit hydroxyacide.

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