| 摘要 |
C.680 This invention relates to a powdered laundry detergent composition, and method for making the same, comprising a narrowly defined range of tetrasodium or tetrapotassium pyrophosphate and an alkali metal tripolyphosphate, in conjunction with a linear alkylaryl sulfonate and sodium silicate and optionally an alkali metal salt of a fatty acid, that can be spray dried to give a loose bulk density range of 0.40 to 0.50 grams/cc. |
