CLEANING COMPOSITIONS

The present invention relates to cleaning compositions, in particular to cleaning compositions for use in heating, ventilation and air-conditioning (HVAC) installations. We describe an acidic cleaning composition concentrate comprising: at least one acid having a pKa1 of 4 or less, wherein the at le...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Jobe, Kajally, Gee, Christopher John
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to cleaning compositions, in particular to cleaning compositions for use in heating, ventilation and air-conditioning (HVAC) installations. We describe an acidic cleaning composition concentrate comprising: at least one acid having a pKa1 of 4 or less, wherein the at least one acid is at least one organic acid and/or non-oxidising mineral acid; a rheology modifier; and a polar protic solvent. In some examples, compositions may also include at least one of one or more weak nitrogenous bases, one or more carboxylate salts and one or more one surfactants;