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A free-flowing particulate detergent composition suitable for heavy duty laundering in hard water, comprising particles of ion exchanging zeolite and nonionic detergent, with a water-soluble inorganic builder salt which consists of or includes alkali metal pyrophosphate or a mixture of alkali metal...

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Bibliographische Detailangaben
Hauptverfasser: RICHTER, VIRGIL J, WRAGA, JOSEPH B, GANGWISCH, WILLIAM J, GREY, SEYMOUR, WIXON, HAROLD E
Format: Patent
Sprache:ger
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Beschreibung
Zusammenfassung:A free-flowing particulate detergent composition suitable for heavy duty laundering in hard water, comprising particles of ion exchanging zeolite and nonionic detergent, with a water-soluble inorganic builder salt which consists of or includes alkali metal pyrophosphate or a mixture of alkali metal carbonate with alkali metal bicarbonate or with alkali metal silicate. Methods for the manufacture of such compositions involve combinations of spray drying and post-addition techniques.