VASKEMIDDEL OG FREMGANGSMAADE TIL FREMSTILLING HERAF

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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Hauptverfasser: JOSEPH B. WRAGA, WILLIAM J. GANGWISCH, HAROLD WIXON, VIRGIL J. RICHTER, SEYMOUR GREY
Format: Patent
Sprache:dan
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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.