| abstract |
1. A DETERGENT COMPOSITION COMPRISING FROM ABOUT 5 TO 40% OF AN ANIONIC, NONIONIC, AMPHOTERIC OR ZWITTERIONIC DETERGENT ACTIVE COMPOUND, FROM ABOUT 30% TO 70% OF AN ALKALI METAL CARBONATE DETERGENCY BUILDER, FROM ABOUT 1% TO 30% OF AN ORGANIC MONOMERIC POLYCARBOXYLIC SEQUESTRANT FOR CALCIUM IONS AND FROM ABOUT 0.05% TO 15% OF AN ANTI-DEPOSITION AGENT FOR INHIBITING THE DEPOSITION OF CALCIUM CARBONATE FORMED BY REACTION BETWEEN THE ALKALI METAL CARBONATE DETERGENCY BUILDER AND CALCIUM IONS IN HARD WATER DURING USE OF THE COMPOSITION, THE PERCENTAGES BEING EXPRESSED BY WEIGHT OF THE COMPOSITION. |