| 摘要 |
<p>1413283 Washing powder UNILEVER Ltd 10 Oct 1972 [12 Oct 1971] 47397/71 Heading C5D A washing powder is prepared by (a) forming granules from an extrudable organic material comprising an anti-redeposition agent dispersed throughout each granule and (b) mixing the granules with other washing powder ingredients. The granules are prepared by extrusion. The other powder ingredients are spray dried. Ingredients specified include: anti-redeposition agents: copoly-(ethylene terephthalate/polyethylene glycol terephthalate), hydroxypropyl methyl cellulose, hydroxyethyl ethyl cellulose, other granule constituents: sodium tallow soap, sodium coconut soap, sodium dodecyl sulphate, other powder ingredients: nonyl phenol-ethylene oxide adduct, sodium tripolyphosphate, sodium silicate, sodium sulphate, a C 15 secondary alcohol-ethylene oxide adduct, tallow soap alkyl benzene sulphonate.</p> |
