Patent ID: 9650592
Date: 2017-05-16
CPC Classifications: C11D

Claim:
1. A solid alkaline detergent composition comprising: from about 0.5 wt. % to about 90 wt. % of an alkalinity source; from about 1 wt. % to about 7.5 wt. % of one or more nonionic surfactants; from about 15 wt. % to about 30 wt. % of a silicate and from about 0.01 wt % to about 3.5 wt % of an amino carboxylate comprising methyl-glycine-diacetic acid (MGDA), glutamic-N,N-diacetic acid (GLDA), a salt thereof, or a derivative thereof; from about 0.1 wt. % to about 15 wt. % of at least one acrylic acid polymer having a molecular weight between 1,000 g/mol to 1,000,000 g/mol; from about 1 wt. % to about 10 wt. % of a phosphonic acid, and from about 4 wt. % to about 10 wt. % of water.