Method of preparing a sequestering agent for a non-phosphate cle

Details Method of preparing a sequestering agent for a non-phosphate cle Method of preparing a sequestering agent for a non-phosphate cle

1992-01-27

1993-10-26

Lieberman, Paul

Compositions

Electrolytes for electrical devices

25217414, 25217419, 25217418, 252174, 134 2219, 134 26, 134 28, C11D 310, C11D 166, C11D 318

Patent

active

052563278

ABSTRACT:
A substantially dry, water-soluble composition is provided that is useful for hard surface cleaning in the presence of water without the necessity of phosphate builders. The composition comprises a sequestering agent formed by intimately admixed particles of a carbonate salt and a hydrocarboxylic acid salt, such as citrate, where the salts have a common alkaline metal cation. This sequestering agent is preferably formed during the composition preparation. The composition further includes an anti-redeposition agent, an alkaline metal silicate, a non-ionic surfactant, and an enzyme system.

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