Patent ID: 9267096
Filing Date: 2016-02-23
CPC Classification: C11D

Claim Text:
1. A solid alkaline detergent composition comprising: a) from about 35 wt. % to about 90 wt. % of a carbonate alkalinity source; b) from about 0.3 wt. % to about 10 wt. % of a chelant, wherein said chelant comprises citrate or citric acid; c) from about 1 wt. % to about 7.5 wt. % of a surfactant; d) a corrosion inhibitor selected from the group consisting of phosphonocarboxylic acids, phosphonates, phosphates, polymers, and mixtures thereof; e) from about 15 wt. % to 33.5 wt. % of a metal protecting component comprising: f) from about 4 wt. % to about 20 wt. % water, wherein the solid detergent is a solid selected from the group consisting of a cast solid, a pressed solid, or an extruded solid.